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Reaction mechanisms questions24 October 2021

Assignment: Questions on Topic 16.1: Reaction mechanismsThis page of questions can be marked as direct student access either for assigning as a test or for students to work on in their own time. If you... more

Topics 3 & 13 : Periodicity22 October 2021

It seems to me that the periodic table is almost the perfect example of human ingenuity in Chemistry. What is amazing is that 150 years since the periodic table was first proposed by Mendeleev in 1869... more

Testing concepts using the H3+ ion18 October 2021

The trihydrogen cation is one of the most abundant molecular species in the universe. It is also one of the simplest and yet nowhere does it appear on the IB syllabus.Model of the H3+ ion more

3.2 Periodic trends 14 October 2021

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 3.2 Periodic trends. It encourages... more

Ten suggestions for IAs using secondary data12 October 2021

With many schools around the world facing problems due to the pandemic, this page lists and discusses ten areas of chemistry where students could research and use secondary data from a variety of different... more

Empirical & molecular formula questions5 October 2021

Assignment: Questions on Empirical & molecular formulaThis page of questions can be marked as direct student access either for assigning as a test or for students to work on in their own time.... more

SL Questions on each sub-topic5 October 2021

I strongly recommend that you sign your students up to student access. This is so they can get access to all the material in Complete course for students, which is the part of this site written specifically... more

4.3 Covalent structures (2) 4 October 2021

This is the second part of 4.3 Covalent structures and looks at VSEPR theory to determine the shapes of simple molecules and ions. Since the underlying theory is the same it also includes 5 and 6 electrons... more

Personal engagement 4 October 2021

The first assessment criterion covers ‘Personal engagement’. This concerns the extent to which you makes the investigation ‘your own’. Personal engagement can be recognised in several different... more

Framing the Research Question 4 October 2021

(3) What is the aspirin being synthesised from?Note that, unlike in the past, the Research Question must be framed as a question. A hypothesis or statement of intent is not acceptable. For example, ‘Determining... more