Physics GCSE
nucleus
What nucleus means in Physics GCSE, as defined for AQA.
Definition of nucleus
Check what you remember
Read the wording for your board, then hide it and explain nucleus in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The positively charged central part of an atom, composed of both protons and neutrons.
Topics that use nucleus
- The structure of an atom (AQA GCSE)
Related terms
- absorption and emission
- electron arrangement
- electrons
- empty space
- energy levels
- Ionisation
- neutral atoms
- outer electrons
Using nucleus in the exam
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