Combined Science GCSE
Ion
What Ion means in Combined Science GCSE, as defined for AQA.
Definition of Ion
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Reference: AQA
A particle that becomes charged when electrons are gained or lost, so the numbers of protons and electrons become unequal.
Topics that use Ion
Related terms
- Electrical neutrality
- Mass and volume distribution in atoms
- Neutral atom electron count
- Neutrality of atoms
- Proton number and element identity
- Subatomic particle properties
- Link between particle counts and overall charge
- Nuclear model of the atom
Using Ion in the exam
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