C2 3.1 The Mass of Atoms

C2 3.1 The Mass of Atoms

Author: Gemma Boyson
  • What is an atom's atomic number and mass number?
  • What are the relative masses of protons, neutrons and electrons?
  • What are isotopes?

This lesson is all about the mass number of atoms. You should refer to the text book page for C2 3.1 as well.

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