Skip to content
Toggle sidebar
Pricing
Log in
Sign up free
Loading…
Home
Subjects
Past papers
Key terms
Pricing
My courses
Select your courses
Loading…
Loading…
Mass number, atomic number and isotopes — AQA GCSE Physics 8463
Home
More
Physics
AQA GCSE Physics
Atomic structure
Atoms and Isotopes
Mass number, atomic number and isotopes
AQA GCSE Physics · 8463
Mass number, atomic number and isotopes
What you need to know
Relate the number of electrons to the number of protons in an atom.
Define atomic number and mass number.
Define isotopes as atoms of the same element with different numbers of neutrons.
Relate differences between isotopes to differences in conventional representations of their identities, charges, and masses.
Revision notes
1
Mass number, atomic number and isotopes
5 key terms
Practise with past papers
Key terms & definitions
Previous subtopic
The structure of an atom
Next subtopic
The development of the model of the atom
