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IB Approved Workshops
Chemistry
IB DP Category 2

Stockholm, Sweden, 2 - 4 May 2025
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Chemistry
IB DP Category 2

Barcelona, Spain, 29 - 31 August 2025
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Chemistry: A focus on the experimental programme
IB DP Category 3

Online (IB Approved), 17 - 19 October 2025
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Site authors
Geoffrey Neuss
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Geoffrey
Paul
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Tamagawa Academy K-12 & University (Japan)

Nick Pinkerton

The InThinking Chemistry website by Geoffrey Neuss is a valuable resource. The presentations are useful and supplement my course textbook by giving students tasks throughout to check their understanding. The topic introductions provide points of interest...

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Wherever we look, the work of the chemist has raised the level of our civilisation and has increased the productive capacity of the nation.

(John Calvin Coolidge, 1872-1933)
(John Calvin Coolidge, 1872-1933)
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R3.4 (AHL) Electron-pair sharing reactions
Free
IB Chemistry (SL & HL) for teachers
R3.4 (AHL) Electron-pair sharing reactions
S3.1 Periodic table (1) - classification of elements
Free
IB Chemistry (SL & HL) for teachers
S3.1 Periodic table (1) - classification of elements
Possible syllabus interpretation problems
IB Chemistry (SL & HL) for teachers
Possible syllabus interpretation problems
Using student access
Free
IB Chemistry (SL & HL) for teachers
Using student access

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Printable versions of written tasks
IB Chemistry (SL & HL) for teachers
Printable versions of written tasks
Teaching each topic & sub-topic
IB Chemistry (SL & HL) for teachers
Teaching each topic & sub-topic
Printable versions of MC Topic tests
IB Chemistry (SL & HL) for teachers
Printable versions of MC Topic tests
IB Chemistry (SL & HL) for teachers
Free
IB Chemistry (SL & HL) for teachers
IB Chemistry (SL & HL) for teachers
Fast track to tests & questions
Free
IB Chemistry (SL & HL) for teachers
Fast track to tests & questions
HL Practice Paper 2 (1)
Complete course for students
HL Practice Paper 2 (1)

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Geoffrey
SL Practice Paper 2 (1)
Hello Emma,The questions says "After the reaction was complete, the resulting mixture was dissolved in distilled water and the total volume made up to 250 cm3 in a volumetric flask. 25.0 cm3 aliquots of this solution were...
25 Apr 2025
Emma
SL Practice Paper 2 (1)
I have a question regarding the key maybe I’m missing something why in 1diii) is the moles then multiplied by 10? 
25 Apr 2025
Mini
S3.1 (AHL) Transition metals
Thank you for clarifying, Geoffrey. Reason for my question is the Hodder Publication textbook includes a diagrammatic representation of the mechanism of polymerization, whereas the syllabus has no mention of the process.
24 Apr 2025
Geoffrey
S3.1 (AHL) Transition metals
Hello Mini, Catalysts are covered in this sub-topic and in R2.2. The formation of addition...
24 Apr 2025

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