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5.1.2a Composition of the nucleus and isotopes

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Question 140

How many protons and how many neutrons are in a nucleus of 88226Ra^{226}_{88}\text{Ra}88226​Ra?

A

88 protons and 226 neutrons

B

138 protons and 88 neutrons

C

88 protons and 138 neutrons

D

226 protons and 88 neutrons

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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