Subatomic particle properties
What Subatomic particle properties means in Combined Science GCSE, as defined for AQA.
Definitions of Subatomic particle properties
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Reference: AQA
Protons and neutrons each have a relative mass of 1, while electrons have a relative mass of about 1/1836, which is negligible.
Atoms contain three subatomic particles whose electrical charges are compared using relative values rather than coulombs.
Topics that use Subatomic particle properties
- Relative electrical charges of subatomic particles (AQA GCSE)
- The structure of an atom (AQA GCSE)
Related terms
- Absorption of electromagnetic radiation
- Charge and neutrality
- Distribution of mass within the atom
- Electrical neutrality
- Emission of electromagnetic radiation
- Energy levels
- Evidence from alpha-particle scattering
- Flame colours
Using Subatomic particle properties in the exam
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