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4.1 Atoms and isotopes

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Question 11
F

Two atoms are isotopes of the same element. Which pair of numbers must be the same for both atoms?

[1]
A

the number of neutrons and the number of electrons

B

the number of protons and the number of neutrons

C

the mass number and the number of neutrons

D

the number of protons and the number of electrons

Markscheme

4.1 Atoms and isotopes Questions

  1. GCSE
  2. /Physics
  3. /4.1 Atoms and isotopes

40 exam-style questions on AQA GCSE Physics 4.1 Atoms and isotopes, covering 4.1.1 The structure of an atom, 4.1.2 Mass number, atomic number and isotopes, and 4.1.3 The development of the model of the atom (common content with chemistry). Each one has a worked solution and a mark scheme showing where the marks go.

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