AQA GCSE Combined Science Trilogy · 8464
Specification 5.1.1.5 · Paper 3
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GCSE Combined Science · key term
A comparison of particle masses on a common scale. A proton and a neutron each have a relative mass of 1; an electron’s relative mass is very small.
Used by AQA
Specification 5.1.1.5 · Paper 3
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