What are isotopes?
Atoms of the same element with the same number of protons but different numbers of neutrons.
AQA GCSE Combined Science: Trilogy (8464) — Physics — Foundation · 6.4.1.2
Revise AQA GCSE Combined Science: Trilogy (8464) — Physics — Foundation specification point 6.4.1.2, Mass number, atomic number and isotopes, with free active-recall flashcards. Flip through the set or review every question and answer below.
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What are isotopes?
Atoms of the same element with the same number of protons but different numbers of neutrons.
Why do isotopes of the same element have different nucleon numbers?
They have different numbers of neutrons, while their proton numbers are the same.