This video covers: 0:21 – What a molecule is 1:11 – What a compound is 3:11 – How to use brackets in a chemical formula 4:48 – What a mixture is This video is suitable for: – All tiers – All exam boards – Triple and combined science Related videos/topics: GCSE Chemistry playlist: https://www.youtube.com/watch?v=fN8kH9Vvqo0&list=PLidqqIGKox7WeOKVGHxcd69kKqtwrKl8W GCSE Biology Playlist: https://www.youtube.com/watch?v=–dIBinUdeU&list=PLidqqIGKox7X5UFT-expKIuR-i-BN3Q1g GCSE Physics Playlist: https://www.youtube.com/watch?v=aHVJfRxeAxo&list=PLidqqIGKox7UVC-8WC9djoeBzwxPeXph7