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5.1.2a Composition of the nucleus and isotopes

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Question 5

How many neutrons and how many protons are contained in a nucleus of 90232Th^{232}_{90}\text{Th}90232​Th?

A

909090 neutrons, 142142142 protons

B

142142142 neutrons, 909090 protons

C

142142142 neutrons, 232232232 protons

D

232232232 neutrons, 909090 protons

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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