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6.1 Atomic structure and isotopes

6.1 Atomic structure and isotopes

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Question 36

The symbol for the nucleus of an atom of caesium-137 is shown.

55137Cs {}_{55}^{137}\text{Cs} 55137​Cs

How many protons are in the nucleus of this atom of caesium-137?

A

55

B

82

C

137

D

192

Markscheme

6.1 Atomic structure and isotopes Questions

  1. GCSE
  2. /Physics
  3. /6.1 Atomic structure and isotopes

81 exam-style questions on Edexcel GCSE Physics 6.1 Atomic structure and isotopes. Each one has a worked solution and a mark scheme showing where the marks go.

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