A Level Chemistry Revision "Relative Atomic Mass"

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In this video we look at masses in Chemistry. First we explore why masses are always relative to carbon-12. We then look at what is meant by relative isotopic mass and the three key features of this. Finally we explore relative atomic mass and look at how this is calculated. I give you three examples to try yourself.
This video is aimed at the UK A Level Chemistry specifications. Students studying International A Level Chemistry will need to check their specification.