Key term for AQA GCSE Chemistry, used in Atomic Model and Isotopes.
Specific regions at fixed distances from the nucleus where electrons are found; also known as electron shells.
Energy levels appears in AQA GCSE Chemistry revision content for Atomic structure and the periodic table, especially Atomic Model and Isotopes and Electronic Structure.
Atomic structure and the periodic table
Atomic Model and Isotopes • Electronic Structure
Atomic structure and the periodic table
Atomic Model and Isotopes • Subatomic Particles
Atomic structure and the periodic table
Atomic Model and Isotopes • History of the Atomic Model
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