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Chemical misconceptions

Wednesday 28 January 2015

We’ve all come across chemical misconceptions and part of our job as chemistry teachers it to try to combat them. For example, would you eat... more

A problem with scandium

Tuesday 16 December 2014

(Note: This blog was first written in February 2013 and referred to the 2007 programme (for last exams in 2015). See the update added at the... more

Be careful when you do a demonstration

Tuesday 11 November 2014

The reaction of sodium with water is often demonstrated by a teacher as it is not recommended that students do the reaction for themselves.... more

Malt whiskey and ppm

Wednesday 29 October 2014

I stayed last week on the Scottish Isle of Arran and spent one morning enjoying a very practical application (‘Utilization’) of chemistry... more

Motion sickness drugs

Monday 29 September 2014

What do the drugs scopolamine and cinnarizine have in common?Both are used to prevent motion sickness (sea-sickness) effectively. Since many... more

New Study Guide published today

Thursday 14 August 2014

My new Study Guide for the 2014 programme (first examinations in 2016) is published today. The previous editions, which cover the 2007 programme,... more

How big is a sodium atom?

Thursday 31 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

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