The Composition of Air

  • The table below shows the approximate percentages by volume of the main gases in unpolluted, dry air:

The Composition of Air Table, IGCSE & GCSE Chemistry revision notes
Pie chart showing composition of air, IGCSE & GCSE Chemistry revision notes

Pie chart showing the composition of clean air

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AQA GCSE Chemistry Notes

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Morgan Curtin Chemistry

Author: Morgan

Morgan’s passion for the Periodic Table begun on his 10th birthday when he received his first Chemistry set. After studying the subject at university he went on to become a fully fledged Chemistry teacher, and now works in an international school in Madrid! In his spare time he helps create our fantastic resources to help you ace your exams.