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Author: Dr Wainwright

Be able to explain the existence of isotopes

Calculate relative atomic mass from isotopic abundance, limited to mononuclear ions

Isotopes and how to calculate the relative atomic mass

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Write a page of notes on isotopes and bring it to the lesson. Also bring the working out from the calculations that you carry out in the second video.

Revision of GCSE Knowledge

You need to revise what you learnt at GCSE before you learn the new material.

How to calculate the relative atomic mass

A guide to calculating the relative atomic mass. Pause the video when prompted to perform the calculations. Bring the calculations you do to the lesson.

Alternative video for calculating relative atomic mass

If you didn't like the first video, here's an alternative one.