Spec 0625
Revise CIE IGCSE Physics 5.1.2b Proton number, nucleon number and nuclide notation with the question bank and revision guides.
Define the terms proton number (atomic number) Z and nucleon number (mass number) A and be able to calculate the number of neutrons in a nucleus • Use the nuclide notation ᴬZX (nucleon number A above proton number Z) • Supplement: Know the relationship between the proton number and the relative charge on a nucleus • Supplement: Know the relationship between the nucleon number and the relative mass of a nucleus