Key term for AQA GCSE Chemistry, used in Atomic Model and Isotopes.
A model of the atom consisting of a tiny, dense, positively charged nucleus at the centre, surrounded by negative electrons in energy levels, with most of the atom being empty space.
Nuclear model appears in AQA GCSE Chemistry revision content for Atomic structure and the periodic table, especially Atomic Model and Isotopes and Subatomic Particles.
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