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Video: Atoms and isotopes - Revise: Atoms, elements and compounds: Video playlist - BBC Bitesize
An introduction to how protons, neutrons and electrons make up atoms.
↗ https://www.bbc.co.uk/bitesize/topics/zh3v4wx/watch/zwb3cdmAn introduction to how protons, neutrons and electrons make up atoms.
↗ https://www.bbc.co.uk/bitesize/topics/zh3v4wx/watch/zwb3cdm