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5.1.2a Composition of the nucleus and isotopes

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Question 80

The nucleus of an atom Y\text{Y}Y is represented by the notation NMY{}^{M}_{N}\text{Y}NM​Y.

Which option correctly shows the number of protons and the number of neutrons in this nucleus?

A

Number of protons: MMM; Number of neutrons: NNN

B

Number of protons: NNN; Number of neutrons: MMM

C

Number of protons: NNN; Number of neutrons: M−NM - NM−N

D

Number of protons: M−NM - NM−N; Number of neutrons: NNN

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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