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4.1 Atoms and isotopes

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Question 15
F

Two atoms have the same mass number but different atomic numbers. Which statement about the two atoms is correct?

[1]
A

They are isotopes of the same element.

B

They have the same number of neutrons.

C

They have the same number of electrons.

D

They are atoms of two different elements.

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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