Chemistry GCSE
Relative mass of subatomic particles
What Relative mass of subatomic particles means in Chemistry GCSE, as defined for AQA.
Definition of Relative mass of subatomic particles
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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.
Topics that use Relative mass of subatomic particles
- Size and mass of atoms (AQA GCSE)
Related terms
- Standard form and unit conversion
- Atomic dimensions in metres
- Isotope notation
- Mass number calculation
- Nanometres as a unit of length
- Nucleus as the mass centre
- Scale and size of atoms
Using Relative mass of subatomic particles in the exam
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