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5.1.1a Structure of the atom and ions

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Question 23

A nuclide of the element sodium has the symbol shown:

1123Na^{23}_{11}\text{Na}1123​Na

What does a neutral atom of this nuclide contain?

A

11 protons, 12 neutrons, 11 electrons

B

11 protons, 23 neutrons, 12 electrons

C

12 protons, 11 neutrons, 23 electrons

D

23 protons, 11 neutrons, 12 electrons

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5.1.1a Structure of the atom and ions Questions

  1. IGCSE
  2. /Physics
  3. /5.1.1a Structure of the atom and ions

114 exam-style questions on CIE IGCSE Physics 5.1.1a Structure of the atom and ions. Each one has a worked solution and a mark scheme showing where the marks go.

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