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5.1.2a Composition of the nucleus and isotopes

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Question 50

A nuclide of the element phosphorus has the symbol shown.

1531P ^{31}_{15}\text{P} 1531​P

What does a neutral atom of this nuclide contain?

A

15 protons, 16 neutrons, 15 electrons

B

15 protons, 31 neutrons, 16 electrons

C

16 protons, 15 neutrons, 31 electrons

D

31 protons, 15 neutrons, 16 electrons

Markscheme

5.1.2a Composition of the nucleus and isotopes Questions

  1. IGCSE
  2. /Physics
  3. /5.1.2a Composition of the nucleus and isotopes

170 exam-style questions on CIE IGCSE Physics 5.1.2a Composition of the nucleus and isotopes. Each one has a worked solution and a mark scheme showing where the marks go.

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