What is the simplest particle of an element?
A compound.
An electron.
A molecule.
An atom.
Flashcards for CIE IGCSE Chemistry Elements, compounds and mixtures, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended), plus Paper 5 or Paper 6. 24 cards, matched to the CIE IGCSE Chemistry (0620) specification.