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5.1.2a Composition of the nucleus and isotopes

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Question 65

A nucleus Y\text{Y}Y has 11 protons and 12 neutrons. Which notation is correct for this nucleus?

A

1123Y^{23}_{11}\text{Y}1123​Y

B

2311Y^{11}_{23}\text{Y}2311​Y

C

1211Y^{11}_{12}\text{Y}1211​Y

D

1112Y^{12}_{11}\text{Y}1112​Y

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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