AQA A-Level Physics/Past paper questions

Atomic Structure

1) Give the number of nucleons and the number of electrons in an atom of ²²Na. (2 marks)

Nucleons =
Electrons =

2) What is meant by the term isotope?

3) Define the following (3 marks)

When removed from an atom, forms a charge

Has the largest mass-charge ratio

When removed from an atom, lowers overall mass