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5.1.2a Composition of the nucleus and isotopes

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Question 25

Each nucleus of nuclide Y\text{Y}Y contains 8 protons and a total of 18 nucleons.

Which notation is correct for this nuclide?

A

818Y^{18}_{8}\text{Y}818​Y

B

2618Y^{18}_{26}\text{Y}2618​Y

C

810Y^{10}_{8}\text{Y}810​Y

D

188Y^{8}_{18}\text{Y}188​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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