Combined Science GCSE
Charge and neutrality
What Charge and neutrality means in Combined Science GCSE, as defined for AQA.
Definition of Charge and neutrality
Check what you remember
Read the wording for your board, then hide it and explain Charge and neutrality in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
In a neutral atom the number of electrons equals the number of protons, so the positive and negative charges balance and there is no overall charge.
Topics that use Charge and neutrality
- The structure of an atom (AQA GCSE)
Related terms
- Absorption of electromagnetic radiation
- Distribution of mass within the atom
- Emission of electromagnetic radiation
- Energy levels
- Evidence from alpha-particle scattering
- Flame colours
- Structure of the atom
- Subatomic particle properties
Using Charge and neutrality in the exam
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