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How big is a sodium atom?

Saturday 26 July 2014

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... more

Antioxidants in red wine

Tuesday 13 May 2014

Antioxidants feature quite highly in the current IB Chemistry programme - particularly in Option F - Food Chemistry. Assessment statement... more

Make graphene in your kitchen?

Tuesday 29 April 2014

How about some kitchen chemistry to make graphene? The structure of graphite has been known for a long time. It consists of sp2 hybridized... more

IB Chemistry environmental issues

Monday 31 March 2014

One of the most important aspects of the new IB chemistry programme for first exams in 2016 is the emphasis put on environmental chemistry.... more

'Chemicals'

Friday 14 February 2014

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... more

Who discovered oxygen?

Monday 27 January 2014

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... more

First commercial fuel cell car

Monday 6 January 2014

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... more

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