REDOX lesson 1 - Determination of oxidation number - AS Chemistry
This is an AS Chemistry lesson on determining the oxidation number of an element in a compound. The starter is a very engaging potassium dichromate volcano where students describe what is happening (e.g. thermal decomposition). The demo must be done in a fume hood and CLEAPPS safety advice should be considered. Instructions for this practical are on the Royal Society for Chemistry website. The sts version of the lesson is printed 2 slides per page. The lesson has animated answers that show a careful step by step calculations so that weaker students are able to access the content. Please rate this resource and leave feedback.


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  • Oxidation-lessons-1-RM.pptx
  • Oxidation-lessons-1-RM-sts.pptx
  • Redox-lesson-1-homework-worksheet-RM.pdf

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Created: Mar 8, 2015

Updated: Sep 30, 2015

pptx, 278 KB


pptx, 234 KB


pdf, 88 KB


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Creative Commons "Sharealike"

Creative Commons "Sharealike"