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5.1.2a Composition of the nucleus and isotopes

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Question 88

The nuclide notation of the isotope cesium-137 is 55137Cs{}^{137}_{55}\text{Cs}55137​Cs. Which statement is correct?

A

A nucleus of cesium-137 has 55 neutrons.

B

A nucleus of cesium-137 has 82 neutrons.

C

A nucleus of cesium-137 has 137 electrons.

D

A nucleus of cesium-137 has 137 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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