Key term for AQA GCSE Chemistry, used in Atomic Model and Isotopes.
A negatively charged subatomic particle that orbits the nucleus in shells, possessing a very small relative mass.
Electron appears in AQA GCSE Chemistry revision content for Atomic structure and the periodic table, especially Atomic Model and Isotopes and Atomic Size and Mass.
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Atomic structure and the periodic table
Atomic Model and Isotopes • History of the Atomic Model