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4.1 Atoms and isotopes

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Question 13
F

An atom has 12 protons and 12 neutrons in its nucleus. The atom then loses two of its outer electrons. Which row describes the ion that is formed?

[1]
A

charge two plus, mass number 24, atomic number 12

B

charge two minus, mass number 24, atomic number 12

C

charge two plus, mass number 22, atomic number 10

D

charge two plus, mass number 24, atomic number 10

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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