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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/blog?page=8"><i class="fa fa-chevron-circle-left"></i> Prev</a></li><li class="active"><a href="chemistry/blog?page=9">page <strong>9</strong></a></li><li ><a href="chemistry/blog?page=10">Next <i class="fa fa-chevron-circle-right"></i></a></li></ul></div>
	<h1>Blog posts</h1>
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		<a title="How big is a sodium atom?" href="chemistry/blog/17153/how-big-is-a-sodium-atom"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/blog/Li Na K radii.png" class="thumb thumb64" /></a>
		<h3 class="blog-list-title"><a href="chemistry/blog/17153/how-big-is-a-sodium-atom">How big is a sodium atom?</a> <span class="details pull-right">31 July 2014 </span></h3>
		<p> The new IB data booklet which is available on the OCC has some very different data in it for atomic (and ionic) radii compared to previous versions. For example:  It looks as if the radius of sodium... <a class="font-normal" href="chemistry/blog/17153/how-big-is-a-sodium-atom">more <i class="fa fa-arrow-circle-right"></i></a></p>
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		<a title="Antioxidants in red wine" href="chemistry/blog/16859/antioxidants-in-red-wine"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/blog/reserveratrol.jpg" class="thumb thumb64" /></a>
		<h3 class="blog-list-title"><a href="chemistry/blog/16859/antioxidants-in-red-wine">Antioxidants in red wine</a> <span class="details pull-right">13 May 2014 </span></h3>
		<p> Antioxidants feature quite highly in the current IB Chemistry programme - particularly in Option F - Food Chemistry. Assessment statement F. 8.1 covers how antioxidants work and stresses the importance... <a class="font-normal" href="chemistry/blog/16859/antioxidants-in-red-wine">more <i class="fa fa-arrow-circle-right"></i></a></p>
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		<a title="Make graphene in your kitchen?" href="chemistry/blog/16802/make-graphene-in-your-kitchen"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/blog/graphite.jpg" class="thumb thumb64" /></a>
		<h3 class="blog-list-title"><a href="chemistry/blog/16802/make-graphene-in-your-kitchen">Make graphene in your kitchen?</a> <span class="details pull-right">29 April 2014 </span></h3>
		<p> How about some kitchen chemistry to make graphene?  The structure of graphite has been known for a long time. It consists of sp2 hybridized carbon atoms strongly bonded to three other carbon atoms to... <a class="font-normal" href="chemistry/blog/16802/make-graphene-in-your-kitchen">more <i class="fa fa-arrow-circle-right"></i></a></p>
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		<a title="IB Chemistry environmental issues" href="chemistry/blog/16634/ib-chemistry-environmental-issues"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/blog/carbon footprint(1).jpg" class="thumb thumb64" /></a>
		<h3 class="blog-list-title"><a href="chemistry/blog/16634/ib-chemistry-environmental-issues">IB Chemistry environmental issues</a> <span class="details pull-right">31 March 2014 </span></h3>
		<p> One of the most important aspects of the new IB chemistry programme for first exams in 2016 is the emphasis put on environmental chemistry. Topics such as global warming, acid deposition and ozone depletion... <a class="font-normal" href="chemistry/blog/16634/ib-chemistry-environmental-issues">more <i class="fa fa-arrow-circle-right"></i></a></p>
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		<h3 class="blog-list-title"><a href="chemistry/blog/16376/chemicals">'Chemicals'</a> <span class="details pull-right">14 February 2014 </span></h3>
		<p> If you want some interesting posters to liven up your lab/classroom you might want to look at those produced for sale by James Kennedy, a teacher at Haileybury School in Melbourne, Australia. In an attempt... <a class="font-normal" href="chemistry/blog/16376/chemicals">more <i class="fa fa-arrow-circle-right"></i></a></p>
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		<a title="Who discovered oxygen?" href="chemistry/blog/16219/who-discovered-oxygen"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/blog/Bowood House.jpg" class="thumb thumb64" /></a>
		<h3 class="blog-list-title"><a href="chemistry/blog/16219/who-discovered-oxygen">Who discovered oxygen?</a> <span class="details pull-right">27 JIB Docs (2) Teamary 2014 </span></h3>
		<p> In the new Guide for first teaching in 2014 under Stoichiometric relationships, it states in the Theory of Knowledge part of 1.1 “Lavoisier’s discovery of oxygen, which overturned the phlogiston... <a class="font-normal" href="chemistry/blog/16219/who-discovered-oxygen">more <i class="fa fa-arrow-circle-right"></i></a></p>
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		<a title="First commercial fuel cell car" href="chemistry/blog/16163/first-commercial-fuel-cell-car"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/blog/Hyundai-ix35-Fuel-Cell-vehicle_729-620x349.jpg" class="thumb thumb64" /></a>
		<h3 class="blog-list-title"><a href="chemistry/blog/16163/first-commercial-fuel-cell-car">First commercial fuel cell car</a> <span class="details pull-right">6 JIB Docs (2) Teamary 2014 </span></h3>
		<p> One of the topics in the new Energy option for 2014 onwards is the thermodynamic efficiency of fuel cells. This is equal to ΔG/ΔH and the value is much higher than for conventional fossil fuels. It... <a class="font-normal" href="chemistry/blog/16163/first-commercial-fuel-cell-car">more <i class="fa fa-arrow-circle-right"></i></a></p>
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		<a title="Arden Zipp" href="chemistry/blog/16152/arden-zipp"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/blog/Arden Zipp.jpg" class="thumb thumb64" /></a>
		<h3 class="blog-list-title"><a href="chemistry/blog/16152/arden-zipp">Arden Zipp</a> <span class="details pull-right">21 December 2013 </span></h3>
		<p> One of the real joys of teaching is that you can make a huge difference to other people. Perhaps the greatest reward is when former students tell you how much influence you have had upon them. I certainly... <a class="font-normal" href="chemistry/blog/16152/arden-zipp">more <i class="fa fa-arrow-circle-right"></i></a></p>
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		<a title="Where is your country on the Pisa scale?" href="chemistry/blog/16122/where-is-your-country-on-the-pisa-scale"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/blog/PIsa.jpg" class="thumb thumb64" /></a>
		<h3 class="blog-list-title"><a href="chemistry/blog/16122/where-is-your-country-on-the-pisa-scale">Where is your country on the Pisa scale?</a> <span class="details pull-right">3 December 2013 </span></h3>
		<p> Where is your country on the Pisa list? The Pisa (Programme for International Student Assessment) results were announced today. Pisa is carried out by the Organisation for Economic Cooperation and Development... <a class="font-normal" href="chemistry/blog/16122/where-is-your-country-on-the-pisa-scale">more <i class="fa fa-arrow-circle-right"></i></a></p>
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		<a title="Investigate an aspect of diving submarines" href="chemistry/blog/15978/investigate-an-aspect-of-diving-submarines"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/blog/DSC0494diving submarine8.jpg" class="thumb thumb64" /></a>
		<h3 class="blog-list-title"><a href="chemistry/blog/15978/investigate-an-aspect-of-diving-submarines">Investigate an aspect of diving submarines</a> <span class="details pull-right">30 October 2013 </span></h3>
		<p> Regular readers of this website will know that I am a fan of using materials readily available in supermarkets, for example beer bottle caps in the determination of the formula of magnesium oxide. I... <a class="font-normal" href="chemistry/blog/15978/investigate-an-aspect-of-diving-submarines">more <i class="fa fa-arrow-circle-right"></i></a></p>
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