Combined Science GCSE
Proton number and element identity
What Proton number and element identity means in Combined Science GCSE, as defined for AQA.
Definition of Proton number and element identity
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Reference: AQA
All atoms of a particular element have the same number of protons, and atoms of different elements have different numbers of protons.
Topics that use Proton number and element identity
Related terms
- Electrical neutrality
- Ion
- Mass and volume distribution in atoms
- Neutral atom electron count
- Neutrality of atoms
- Subatomic particle properties
- Link between particle counts and overall charge
- Nuclear model of the atom
Using Proton number and element identity in the exam
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