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5.1.1a Structure of the atom and ions

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Question 3

The nuclide notation for thorium-232 is 90232Th^{232}_{90}\text{Th}90232​Th.

How many electrons orbit the nucleus of a neutral atom of thorium-232?

A

000

B

909090

C

142142142

D

232232232

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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