Physics 0625 · IGCSE · The nuclear model of the atom

The nuclear model of the atom — practice question

A lead isotope is written using the nuclide symbol $^{214}_{82}\text{Pb}$. How many protons and how many neutrons are present in a single nucleus of this isotope?

  • Anumber of neutrons: 82, number of protons: 132
  • Bnumber of neutrons: 82, number of protons: 214
  • Cnumber of neutrons: 132, number of protons: 82
  • Dnumber of neutrons: 214, number of protons: 82

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI