AQA GCSE Chemistry · 8462
Specification 4.1.1.7 · Paper 1
- Revise: Electronic Structure
A region around the nucleus containing electrons with a particular range of energy; also called an energy level.
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GCSE Chemistry · key term
A region around an atomic nucleus that electrons occupy; it is also called an energy level.
Used by AQA, Edexcel and OCR
Specification 4.1.1.7 · Paper 1
A region around the nucleus containing electrons with a particular range of energy; also called an energy level.
Specification 1.2, 1.19 · Paper 1, Paper 2
A way of describing where electrons are arranged around an atom’s nucleus; different shells represent different energy levels.
Specification C1.2a · Paper 1 (Foundation), Paper 3 (Higher)
An allowed energy level at a particular distance from the nucleus in the Bohr model.
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
An energy level around the nucleus that can be occupied by electrons.
Revise: Periodic Table arrangementThe period number equals the number of occupied electron shells in an atom.
A region around an atomic nucleus in which electrons are arranged.
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