Key term for AQA GCSE Chemistry, used in Bonding Types.
A model that shows the arrangement of outer-shell electrons in an atom or ion, using different symbols to show where electrons originated.
Dot and cross diagram appears in AQA GCSE Chemistry revision content for Bonding, structure, and the properties of matter, especially Bonding Types and Ionic Bonding Mechanism.
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Atomic structure and the periodic table
Atomic Model and Isotopes • Electronic Structure
