Physics 0625 · IGCSE · The nuclear model of the atom

The nuclear model of the atom — practice question

A nucleus X contains $17$ protons and $18$ neutrons. Which notation is the correct one for this nucleus?

  • A$^{17}_{18}X$
  • B$^{17}_{35}X$
  • C$^{18}_{17}X$
  • D$^{35}_{17}X$

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