Key term for AQA GCSE Chemistry, used in The Periodic Table.
Atoms of the same element with the same number of protons (atomic number) but different numbers of neutrons (different mass numbers).
Isotopes appears in AQA GCSE Chemistry revision content for Atomic structure and the periodic table, especially The Periodic Table and History of the Periodic Table.
Atomic structure and the periodic table
History of the Periodic Table
Atomic structure and the periodic table
Relative Atomic Mass
Key ideas
Core Chemical Concepts
Atomic structure and the periodic table
Atomic Size and Mass
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