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Quote of the day
The chemists are a strange class of mortals, impelled by an almost insane impulse to seek their pleasures amid smoke and vapour, soot and flame, poisons and poverty; yet among all these evils I seem to live so sweetly that may I die if I were to change places with the Persian king.
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11 Oct 2026
The 2026 Nobel Prize for Chemistry
The Nobel prize for Chemistry this year celebrates the pioneering work of Henri Kagan and Kenso Soai on homochirality - the synthesis of just the required enantiomer of chiral compounds and not the mirror...
11 Sep 2026
The importance of using clear English in IB chemistry
Why using clear English is important when communicating in chemistry. This blog gives examples of two past IB questions where the language used to phrase the questions can lead to different interpretations...
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See all"Great resource for ideas, lesson plans, examples and directions to take - especially for first time IB teachers."
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St. Edward High School
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Heidelberg International School
Subscriber comments
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Hi Margarita, The information you require about two students collaborating to obtain their data is on pages 74-75 in the 2023 guide. This has changed since the previous syllabus where collaboration was not allowed. Essentially you must...
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Hello, We have a shortage of chemicals and when there two students came up with the idea of burning different length of alcohols to find out the energy released by each, I suggested that they work together to collect sufficient data. In...
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Hi Sian, Replying to questions on how IA marks have been arrived at (usually why they have been lowered) by external moderators is something I find difficult to do, particularly as I have not seen the actual work being assessed. InThinking...
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Margarita
THANK YOU!
Internal Assessment