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5.1.1a Structure of the atom and ions

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Question 71

A nuclide of substance Y\text{Y}Y has the symbol 1327Y^{27}_{13}\text{Y}1327​Y.

How many electrons are there in a neutral atom of substance Y\text{Y}Y?

A

13

B

14

C

27

D

40

Markscheme

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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