What subatomic particle determines which element an atom belongs to?
Neutrons
Nucleus
Protons
Electrons
Flashcards for CIE IGCSE Chemistry Isotopes, 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. 22 cards, matched to the CIE IGCSE Chemistry (0620) specification.