Quiz
Take the formulae and reacting quantities quiz
The chemical formula for a substance shows how many atoms of each element are present in a molecule, or the proportion of atoms of each element.
Revise Formulae and reacting quantities
Struggling with chemical formulae and reacting quantities? Try our Bitesize National 5 chemistry revision guides.
Revise chemical formulae. revision-guide
Revise Chemical formulae in our National 5 BBC Bitesize guide
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