Key term for OCR GCSE Chemistry A, used in Bonding.
Atoms of the same element that have the same number of protons but a different number of neutrons.
isotopes appears in OCR GCSE Chemistry A revision content for Elements, compounds and mixtures, especially Bonding and Development of the Periodic Table.
Create a free account to access OCR GCSE Chemistry A revision notes, track progress, and practise related key terms.