Physics GCSE
the neutron
What the neutron means in Physics GCSE, as defined for AQA.
Definition of the neutron
Check what you remember
Read the wording for your board, then hide it and explain the neutron in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A particle sitting in the nucleus alongside the protons, with a relative mass of 1 and no charge.
Topics that use the neutron
Related terms
- agreement with observations
- alpha particle scattering
- changing and replacing models
- concentrated positive charge
- discovery of the electron
- empty space
- energy levels
- experimental evidence
Using the neutron in the exam
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