Physics 0625 · IGCSE · The nuclear model of the atom

The nuclear model of the atom — practice question

A proton has a charge of $e$. What are the charges of an electron and of a neutron?

  • Aelectron: $e$, neutron: $e$
  • Belectron: $e$, neutron: $0$
  • Celectron: $-e$, neutron: $-e$
  • Delectron: $-e$, neutron: $0$

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