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4.1 Atoms and isotopes

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Question 23
H

A neutral atom has 13 protons and 14 neutrons. The atom loses three of its outer electrons. Which statement about the ion that is formed is correct?

[1]
A

Its mass number is 24 and its charge is three plus.

B

Its mass number is 27 and its charge is three minus.

C

Its mass number is 27 and its charge is three plus.

D

Its mass number is 24 and its charge is three minus.

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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