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Problems with the new data booklet radii.

Thursday 12 February 2015

Part of Table 8 from the IB data book for 2009 onwardsOne of the fundamental tenets of the Nature of Science is that a scientific theory is... more

A different type of 'bucky ball'

Monday 9 February 2015

Most IB teachers and students will know that ‘bucky ball’ is a slang term for the C60 molecule, buckminsterfullerene, which is covered in... more

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

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