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href="https://www.thinkib.net/chemistry/page/16329/teaching-each-topic-sub-topic" class="father">Teaching each topic & sub-topic</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/16328/topic-1" >Topic 1</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16907/topics-2-12-" >Topics 2 & 12 </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17021/topics-3-13" >Topics 3 & 13</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17114/topics-4-14" >Topics 4 & 14</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17669/topics-5-15-" >Topics 5 & 15 </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17848/topics-6-16" >Topics 6 & 16</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18038/topics-7-17-" >Topics 7 & 17 </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18120/topics-8-18-" >Topics 8 & 18 </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18350/topics-9-19" >Topics 9 & 19</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18475/topics-10-20-" >Topics 10 & 20 </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17285/topics-11-21-" >Topics 11 & 21 </a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/16441/the-nature-of-science" class="father">The Nature of Science</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/16450/key-terms-concepts" >Key terms & concepts</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/34566/nos-critical-thinking" >NOS & Critical Thinking</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/32100/how-the-elements-were-named" >How the elements were named</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/36753/the-culture-of-chemistry" >The Culture of Chemistry</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17333/nature-of-science-questions" >Nature of Science questions</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/16413/incorporating-im-tok-utilization-etc" class="father">Incorporating IM, TOK, &#039;Utilization&#039; etc.</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/16414/topic-1" >Topic 1</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16916/topics-2-12" >Topics 2 & 12</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17023/topics-3-13-" >Topics 3 & 13  </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17055/topics-4-14-" >Topics 4 & 14 </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17270/topics-5-15-" >Topics 5 & 15  </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17854/topics-6-16-" >Topics 6 & 16 </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18041/topics-7-17-" >Topics 7 & 17 </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18099/topics-8-18" >Topics 8 & 18</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18349/topics-9-19-" >Topics 9 & 19 </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18420/topics-10-20" >Topics 10 & 20</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17269/topics-11-21-" >Topics 11 & 21 </a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/17866/utilization-relationships-between-topics-" class="father">&#039;Utilization&#039; - Relationships between topics </a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/17867/relating-topics-4-14-to-all-the-other-topics" >Relating Topics 4 & 14 to all the other topics</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17868/example-of-connections" >Example of connections</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/34404/hydroxychloroquine-ib-chemistry" >Hydroxychloroquine & IB Chemistry</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/35418/ammonium-nitrate-ib-chemistry" >Ammonium nitrate & IB Chemistry</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/16685/multiple-choice-tests-for-each-topic" class="father">Multiple choice tests for each topic</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/16687/sl-questions-by-topic" >SL Questions by topic</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16688/hl-questions-by-topic" >HL Questions by topic</a></li></ul></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/19044/options-" >Options </a><ul class="level-1"><li  ><a href="https://www.thinkib.net/chemistry/page/19503/option-a-" class="father">Option A  </a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/19504/introduction-to-materials-science-" >Introduction to materials science </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19519/metals-and-icp-spectroscopy" >Metals and ICP spectroscopy</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19541/catalysts-" >Catalysts </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19580/liquid-crystals" >Liquid crystals</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19665/polymers-" >Polymers  </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19672/nanotechnology" >Nanotechnology</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19843/environmental-impact-plastics" >Environmental impact - plastics</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19858/superconducting-metals-x-ray-crystallography-" >Superconducting metals & X-ray crystallography </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19666/condensation-polymers" >Condensation polymers</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19916/environmental-impact-heavy-metals" >Environmental impact - heavy metals</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/19284/option-b-" class="father">Option B </a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/19290/introduction-to-biochemistry-" >Introduction to biochemistry  </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19287/proteins-enzymes-" >Proteins & enzymes </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19291/lipids" >Lipids</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19299/carbohydrates-" >Carbohydrates </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19305/vitamins-" >Vitamins   </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19313/biochemistry-the-environment-" >Biochemistry & the environment </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19336/proteins-enzymes-ahl-" >Proteins & enzymes (AHL)   </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19347/nucleic-acids-" >Nucleic acids   </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19361/biological-pigments-" >Biological pigments   </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19366/stereochemistry-in-biomolecules" >Stereochemistry in biomolecules</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/19390/option-c-" class="father">Option C </a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/19391/energy-sources" >Energy sources</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19407/fossil-fuels" >Fossil fuels</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19411/nuclear-fusion-nuclear-fission-reactions" >Nuclear fusion & nuclear fission reactions</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19429/solar-energy" >Solar energy</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19437/environmental-impact-global-warming" >Environmental impact - global warming</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19453/electrochemistry-rechargeable-batteries-fuel-cells" >Electrochemistry, rechargeable batteries & fuel cells</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19458/nuclear-fusion-fission-hl-" >Nuclear fusion & fission (HL)    </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19470/photovoltaic-cells-and-dsscs" >Photovoltaic cells and DSSCs</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/19078/option-d" class="father">Option D</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/19079/pharmaceutical-products-drug-action-" >Pharmaceutical products & drug action </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19158/aspirin-penicillin-" >Aspirin & penicillin  </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19174/opiates" >Opiates</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19184/ph-regulation-of-the-stomach" >pH regulation of the stomach</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19194/antiviral-medications-" >Antiviral medications </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19211/environmental-impact-of-some-medications" >Environmental impact of some medications</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19254/taxol-a-chiral-auxiliary-case-study" >Taxol - a chiral auxiliary case study</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19258/nuclear-medicine-" >Nuclear medicine  </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19273/drug-detection-analysis-" >Drug detection & analysis </a></li></ul></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/16592/practical-scheme-of-work-ia-" >Practical scheme of work & IA </a><ul class="level-1"><li  ><a href="https://www.thinkib.net/chemistry/page/16682/internal-assessment" class="father">Internal Assessment</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/18892/scaffolding-the-investigation" >&#039;Scaffolding&#039; the investigation</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18896/timing-organisation-" >Timing & organisation </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18905/choosing-the-research-question" >Choosing the research question</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18946/personal-engagement" >Personal engagement</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18950/exploration" >Exploration</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18957/analysis" >Analysis</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18965/evaluation" >Evaluation</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18966/communication" >Communication</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19882/internal-standardization-of-the-ia" >Internal standardization of the IA</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19901/submitting-the-samples-for-moderation" >Submitting the samples for moderation</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/33754/ten-suggestions-for-ias-using-secondary-data" >Ten suggestions for IAs using secondary data</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/37544/gaining-full-marks-for-a-databased-ia-" >Gaining full marks for a databased IA </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19506/ia-example-marking-exercise-" >IA example & marking exercise </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/23929/genuine-examples-of-moderated-ia-reports" >Genuine examples of moderated IA reports</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/25234/examples-of-teacher-marked-ia-reports-" >Examples of teacher-marked IA reports </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/37542/history-of-internal-assessment" >History of Internal Assessment</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/16598/mandatory-laboratory-components" class="father">Mandatory laboratory components</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/16613/formula-of-magnesium-oxide-" >Formula of magnesium oxide </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16612/determining-the-mr-of-an-unknown-gas" >Determining the <i>M</i><sub>r</sub> of an unknown gas</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16615/acid-base-titrations-" >Acid-base titrations </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16616/a-green-acid-base-practical" >A green acid-base practical</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16617/analysis-of-aspirin-tablets" >Analysis of aspirin tablets</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16618/caco3-in-egg-shells" >CaCO<sub>3</sub> in egg shells</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16644/enthalpy-changes" >Enthalpy changes</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16631/reaction-rates" >Reaction rates</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16635/rate-dependent-factors" >Rate-dependent factors</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16636/determining-ea-for-a-reaction" >Determining <i>E</i><sub>a</sub> for a reaction</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16637/iodination-of-propanone" >Iodination of propanone</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18144/titrations-with-a-ph-meter" >Titrations with a pH meter</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18355/redox-titration-with-kmno4-" >Redox titration with KMnO<sub>4</sub> </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16640/voltaic-cells" >Voltaic cells</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16659/3-d-molecular-modelling-" >3-D molecular modelling </a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/17168/other-good-practicals" class="father">Other good practicals</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/17196/common-chemical-reactions" >Common chemical reactions</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/227/elements-oxides-of-the-third-period-" >Elements & oxides of the third period </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17239/the-halogens" >The halogens</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17162/boiling-points-of-mixtures" >Boiling points of mixtures</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17170/polarity-of-molecules" >Polarity of molecules</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18083/le-chateliers-principle-" >Le Chatelier&#039;s principle </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19582/determining-kc-for-an-esterification-reaction" >Determining <i>K</i><sub>c</sub> for an esterification reaction</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18164/redox-reactions-of-vanadium-" >Redox reactions of vanadium </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18351/chlorine-in-swimming-pools-" >Chlorine in swimming pools </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18178/analysis-of-cuii-ions-in-solution-" >Analysis of Cu(II) ions in solution </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18179/percentage-of-copper-in-brass" >Percentage of copper in brass</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18356/electrolytic-cells-" >Electrolytic cells </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18598/reactions-of-organic-compounds" >Reactions of organic compounds</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18752/hydrolysis-of-halogenoalkanes" >Hydrolysis of halogenoalkanes</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18784/preparation-of-13-dinitrobenzene-" >Preparation of 1,3-dinitrobenzene </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19022/determination-of-an-organic-structure" >Determination of an organic structure</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19887/preparation-of-nylon-66" >Preparation of nylon 6,6</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19343/determination-of-vitamin-c-content-" >Determination of vitamin C content </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19342/hydrolysis-of-starch-" >Hydrolysis of starch </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/19159/preparation-purification-of-aspirin-" >Preparation & purification of aspirin </a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/18851/ict-in-practical-work" class="father">ICT in practical work</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/18852/data-logging-" >Data logging </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18853/software-for-graph-plotting-" >Software for graph plotting </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18854/spreadsheets-for-data-processing-" >Spreadsheets for data processing </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18855/databases" >Databases</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/18856/computer-modelling-simulations-" >Computer modelling & simulations </a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/16594/group-4-project" class="father">Group 4 Project</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/16595/practicalities" >Practicalities</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16596/reflective-statement-" >Reflective statement </a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/16666/a-new-laboratory" >A new laboratory?</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/16284/exams" >Exams</a><ul class="level-1"><li  ><a href="https://www.thinkib.net/chemistry/page/16286/essential-facts" class="father">Essential Facts</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/16287/objectives-command-terms" >Objectives & command terms</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16288/grade-descriptors" >Grade descriptors</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16289/grade-boundaries" >Grade boundaries</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/16302/paper-1-multiple-choice" class="father">Paper 1 (Multiple Choice)</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/16303/advice-to-students-paper-1" >Advice to students (Paper 1)</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/31515/practice-paper-1-exams" >Practice Paper 1 exams</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/16305/paper-2" class="father">Paper 2</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/16306/advice-to-students-paper-2" >Advice to students (Paper 2)</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16307/areas-of-difficulty" >Areas of difficulty</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/16313/paper-3-" class="father">Paper 3 </a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/16314/advice-to-students-paper-3" >Advice to students (Paper 3)</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16342/data-response-questions" >Data response questions</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/20054/experimental-work-questions" >Experimental work questions</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/16324/the-examination-process" class="father">The examination process</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/16316/setting-the-exam-papers" >Setting the exam papers</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16317/predicted-grades" >Predicted grades</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16318/marking-the-papers" >Marking the papers</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16319/commenting-on-the-exams" >Commenting on the exams</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16320/grade-awarding" >Grade Awarding</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16321/enquiry-upon-results" >Enquiry upon results</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16322/chief-examiners-report" >Chief Examiner&#039;s report</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/16323/retaking-the-exam" >Retaking the exam</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/16325/faqs" >FAQs</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/3147/ib-core" >IB Core</a><ul class="level-1"><li  ><a href="https://www.thinkib.net/chemistry/page/3149/learner-profile" >Learner Profile</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/21735/extended-essays-" class="father">Extended Essays </a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/21736/overview-" >Overview </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/21780/responsibilities" >Responsibilities</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/21790/resources" >Resources</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/21800/research" >Research</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/21804/writing-the-essay" >Writing the essay</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/21810/assessment" >Assessment</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/22434/summary-of-advice-" >Summary of advice </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/25272/faqs-" >FAQs </a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/307/theory-of-knowledge-tok" class="father">Theory of Knowledge (TOK)</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/41171/the-12-tok-concepts" >The 12 TOK concepts</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/3507/why-tok-chemistry" >Why TOK & Chemistry?</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/3505/a-modern-paradigm" >A modern paradigm</a></li></ul></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/17783/fast-track-to-tests-questions" >Fast track to tests & questions</a><ul class="level-1"><li  ><a href="https://www.thinkib.net/chemistry/page/17784/sl-multiple-choice-tests-on-individual-topics" >SL Multiple choice tests on individual topics</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/24351/sl-multiple-choice-quizzes-on-sub-topics" >SL Multiple choice &#039;quizzes&#039; on sub-topics</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/31519/sl-practice-paper-1-exams" >SL Practice Paper 1 exams</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17786/sl-questions-on-each-sub-topic" >SL Questions on each sub-topic</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/20431/sl-paper-3-section-a-questions" >SL Paper 3 Section A questions</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17792/sl-questions-on-the-options" >SL Questions on the options</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/24897/sl-quizzes-on-option-sub-topics-" >SL Quizzes on option sub-topics </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17785/hl-multiple-choice-tests-on-individual-topics" >HL Multiple choice tests on individual topics</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/24352/hl-multiple-choice-quizzes-on-sub-topics" >HL Multiple choice &#039;quizzes&#039; on sub-topics</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/31520/hl-practice-paper-1-exams-" >HL Practice Paper 1 exams </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17787/hl-questions-on-each-sub-topic-" >HL Questions on each sub-topic </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/20428/hl-paper-3-section-a-questions" >HL Paper 3 Section A questions</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/17793/hl-questions-on-the-options" >HL Questions on the options</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/24973/hl-quizzes-on-option-sub-topics" >HL Quizzes on option sub-topics</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41573/printable-versions-of-written-tasks-" >Printable versions of written tasks </a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/41465/complete-course-for-students-" >Complete course for students </a><ul class="level-1"><li  ><a href="https://www.thinkib.net/chemistry/page/27988/full-coverage-of-each-topic-and-sub-topic" class="father">Full coverage of each topic and sub-topic</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/27959/topic-1-stoichiometric-relationships" >Topic 1 : Stoichiometric relationships</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/27960/topics-2-12-atomic-structure" >Topics 2 & 12 : Atomic structure</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/27965/topics-3-13-periodicity" >Topics 3 & 13 : Periodicity</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/27971/topics-4-14-chemical-bonding-structure" >Topics 4 & 14 : Chemical bonding & structure</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/27987/topics-5-15-energeticsthermochemistry" >Topics 5 & 15 : Energetics/thermochemistry</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/27995/topics-6-16-chemical-kinetics" >Topics 6 & 16 : Chemical kinetics</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/28001/topics-7-17-equilibrium-" >Topics 7 & 17 : Equilibrium </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/28017/topics-8-18-acids-and-bases-" >Topics 8 & 18 : Acids and bases </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/28031/topics-9-19-redox-process" >Topics 9 & 19 : Redox process</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/28061/topics-10-20-organic-chemistry" >Topics 10 & 20 : Organic chemistry</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/28038/topics-11-21-measurement-data-processing-analysis" >Topics 11 & 21 : Measurement, data processing & analysis</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/28074/option-a-materials-" >Option A : Materials </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/28087/option-b-biochemistry" >Option B : Biochemistry</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/28098/option-c-energy-" >Option C : Energy </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/28109/option-d-medicinal-chemistry" >Option D : Medicinal chemistry</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/41553/practical-work-including-ia-group-4-project-" class="father">Practical work (including IA & Group 4 Project) </a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/41528/internal-assessment" >Internal Assessment</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41657/group-4-project" >Group 4 Project</a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/41387/approaches-to-learning-" class="father">Approaches to learning </a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/41380/thinking-skills" >Thinking skills</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41383/communication-skills" >Communication skills</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41384/social-skills-" >Social skills </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41385/self-management-skills" >Self-management skills</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41386/research-skills" >Research skills</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41382/reflection-skills-" >Reflection skills </a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/41488/the-nature-of-science" class="father">The Nature of Science</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/41489/key-terms-concepts-" >Key terms & concepts </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41492/how-the-elements-were-named-" >How the elements were named </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41490/nos-critical-thinking" >NOS & Critical Thinking</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41493/the-culture-of-chemistry-" >The Culture of Chemistry </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41494/nature-of-science-questions-" >Nature of Science questions </a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/41401/external-assessment-exams" class="father">External assessment (Exams)</a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/41403/essential-facts-" >Essential Facts </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41409/paper-1-multiple-choice-" >Paper 1 (Multiple Choice) </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41417/paper-2-" >Paper 2 </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41431/paper-3-" >Paper 3  </a></li></ul></li><li  ><a href="https://www.thinkib.net/chemistry/page/41662/extended-essay-" class="father">Extended Essay </a><ul class="level-2"><li  ><a href="https://www.thinkib.net/chemistry/page/41685/preparation" >Preparation</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41686/researching-" >Researching </a></li><li  ><a href="https://www.thinkib.net/chemistry/page/42075/writing-the-essay" >Writing the essay</a></li><li  ><a href="https://www.thinkib.net/chemistry/page/41687/assessment" >Assessment</a></li></ul></li></ul></li></ul></nav>
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					<div id="main-column" class="span9">	<div class="pull-right pagination pagination-right pagination-small"><ul id="blog-top-pagination"><li ><a href="chemistry/last-updates?page=48"><i class="fa fa-chevron-circle-left"></i> Prev</a></li><li class="active"><a href="chemistry/last-updates?page=49">page <strong>49</strong></a></li><li ><a href="chemistry/last-updates?page=50">Next <i class="fa fa-chevron-circle-right"></i></a></li></ul></div>
	<h1>Latest updates</h1>
	<div class="list"><div class="blog-list"><div class="item"><a title="“The Strangest Man”" href="chemistry/blog/40674/the-strangest-man"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-blog/the-strangest-man.png" class="thumb thumb64" /></a><h3 class="blog-list-title"><a href="chemistry/blog/40674/the-strangest-man">“The Strangest Man”</a><span class="details pull-right">29 July 2021</span></h3><p>Teachers in the Northern Hemisphere are hopefully enjoying a summer vacation and recharging their batteries after a stressful Covid-dominated year. For a relaxing and yet very informal and informative... <a class="font-normal" href="chemistry/blog/40674/the-strangest-man">more <i class="fa fa-arrow-circle-right"></i></a></p></div><div class="item"><a title="Preparing for the May 2021 results" href="chemistry/blog/40080/preparing-for-the-may-2021-results"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-blog/graduation.png" class="thumb thumb64" /></a><h3 class="blog-list-title"><a href="chemistry/blog/40080/preparing-for-the-may-2021-results">Preparing for the May 2021 results</a><span class="details pull-right">29 June 2021</span></h3><p>Next week, on Monday 5th July, the May 2021 IB Diploma results are being released to schools (students will receive their results the next day). As with many other areas of life, education has suffered... <a class="font-normal" href="chemistry/blog/40080/preparing-for-the-may-2021-results">more <i class="fa fa-arrow-circle-right"></i></a></p></div><div class="item"><a title="Thinking through multiple choice questions" href="chemistry/blog/39613/thinking-through-multiple-choice-questions"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-blog/the-intelligence-trap.png" class="thumb thumb64" /></a><h3 class="blog-list-title"><a href="chemistry/blog/39613/thinking-through-multiple-choice-questions">Thinking through multiple choice questions</a><span class="details pull-right">10 June 2021</span></h3><p>Consider a very simple question, What does two plus two make? The obvious correct answer is four. Most people will arrive at four by simple addition using the equation 2 + 2 = 4 but in fact the answer... <a class="font-normal" href="chemistry/blog/39613/thinking-through-multiple-choice-questions">more <i class="fa fa-arrow-circle-right"></i></a></p></div><div class="item"><a title="Books for enjoyment " href="chemistry/page/17392/books-for-enjoyment-"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/Journals and books/mysteries-of-the-quantum-universe.png" class="thumb thumb64" /></a><h3 class="blog-list-title"><a href="chemistry/page/17392/books-for-enjoyment-">Books for enjoyment </a><span class="details pull-right">27 May 2021</span></h3><p>All of the following are books with some links to chemistry that I have enjoyed reading. They can all be bought through reputable booksellers.Mysteries of the Quantum Universe, T. Damour & M. Burniat,... <a class="font-normal" href="chemistry/page/17392/books-for-enjoyment-">more <i class="fa fa-arrow-circle-right"></i></a></p></div><div class="item"><a title="11 & 21. Measurement, data processing & analysis (2) " href="chemistry/page/17289/11-21-measurement-data-processing-analysis-2-"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/Exams/topic 11 MC product graph.JPG" class="thumb thumb64" /></a><h3 class="blog-list-title"><a href="chemistry/page/17289/11-21-measurement-data-processing-analysis-2-">11 & 21. Measurement, data processing & analysis (2) </a><span class="details pull-right">18 May 2021</span></h3><p>1. What is the best way to minimise the random uncertainty when performing an acid-base titration?A. Use a different pipetteB. Use a pH meter rather than an indicator to determine the end point  <a class="font-normal" href="chemistry/page/17289/11-21-measurement-data-processing-analysis-2-">more <i class="fa fa-arrow-circle-right"></i></a></p></div><div class="item"><a title="11.3 Spectroscopic identification of organic compounds" href="chemistry/page/28034/113-spectroscopic-identification-of-organic-compounds"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/student-learning/ihd-=-5(2).png" class="thumb thumb64" /></a><h3 class="blog-list-title"><a href="chemistry/page/28034/113-spectroscopic-identification-of-organic-compounds">11.3 Spectroscopic identification of organic compounds</a><span class="details pull-right">11 May 2021</span></h3><p>Written specifically for students to provide help and support for the IB Diploma chemistry programme this page provides full coverage of the syllabus content of Topic 11.3 Spectroscopic identification... <a class="font-normal" href="chemistry/page/28034/113-spectroscopic-identification-of-organic-compounds">more <i class="fa fa-arrow-circle-right"></i></a></p></div><div class="item"><a title="The dangers of “forever chemicals” to firefighters" href="chemistry/blog/39267/the-dangers-of-forever-chemicals-to-firefighters"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-blog/firefighters(1).png" class="thumb thumb64" /></a><h3 class="blog-list-title"><a href="chemistry/blog/39267/the-dangers-of-forever-chemicals-to-firefighters">The dangers of “forever chemicals” to firefighters</a><span class="details pull-right">5 May 2021</span></h3><p>The IB covers halogenoalkanes at both SL and HL in Topic 10 Halogenoalkanes & benzene but restricts the coverage to chloro-, bromo-and iodoalkanes. This is because the C−F bond (492 kJ mol−1) is so... <a class="font-normal" href="chemistry/blog/39267/the-dangers-of-forever-chemicals-to-firefighters">more <i class="fa fa-arrow-circle-right"></i></a></p></div><div class="item"><a title="CaCO<sub>3</sub> in egg shells" href="chemistry/page/16618/caco3-in-egg-shells"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/Practicals/Crab for sale.jpg" class="thumb thumb64" /></a><h3 class="blog-list-title"><a href="chemistry/page/16618/caco3-in-egg-shells">CaCO<sub>3</sub> in egg shells</a><span class="details pull-right">10 April 2021</span></h3><p>This practical can be adapted to determine the amount of calcium carbonate in a variety of different substances ranging from eggs shells to the shells of sea creatures, such as crabs, or in natural or... <a class="font-normal" href="chemistry/page/16618/caco3-in-egg-shells">more <i class="fa fa-arrow-circle-right"></i></a></p></div><div class="item"><a title="Analysis of aspirin tablets" href="chemistry/page/16617/analysis-of-aspirin-tablets"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/aspirin tablet.jpg" class="thumb thumb64" /></a><h3 class="blog-list-title"><a href="chemistry/page/16617/analysis-of-aspirin-tablets">Analysis of aspirin tablets</a><span class="details pull-right">10 April 2021</span></h3><p>It is an interesting fact that if you buy generic aspirin tablets they are very much cheaper than packets of branded aspirin. The analysis shows that they all usually contain the same amount of aspirin... <a class="font-normal" href="chemistry/page/16617/analysis-of-aspirin-tablets">more <i class="fa fa-arrow-circle-right"></i></a></p></div><div class="item"><a title="Option A  " href="chemistry/page/19503/option-a-"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-Options/Option-A/oetzi-axe.jpg" class="thumb thumb64" /></a><h3 class="blog-list-title"><a href="chemistry/page/19503/option-a-">Option A  </a><span class="free-text-mark">Free</span><span class="details pull-right">10 April 2021</span></h3><p>The Chalcolithic Age, an era between the Stone Age and the Bronze Age, involved the use of copper for tools but they were generally only possessed by the higher members of society and, unlike stone and... <a class="font-normal" href="chemistry/page/19503/option-a-">more <i class="fa fa-arrow-circle-right"></i></a></p></div></div></div>
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