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2.1 Chemical bonds, ionic, covalent and metallic

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Question 2

The table shows the electronic structures of atoms of elements Q and T.

ElementElectronic structure of an atom
Q2,8,8,22,8,8,22,8,8,2
T2,8,72,8,72,8,7

Q and T react to form an ionic compound.

a.

Explain how an atom of Q forms an ion. Give the charge of the ion in your answer.

[2]
b.

Give the empirical formula of the ionic compound formed. Use Q and T as the element symbols.

Explain why the ions combine in this ratio.

[3]
Markscheme

2.1 Chemical bonds, ionic, covalent and metallic Questions

  1. GCSE
  2. /Chemistry
  3. /2.1 Chemical bonds, ionic, covalent and metallic

98 exam-style questions on AQA GCSE Chemistry 2.1 Chemical bonds, ionic, covalent and metallic, covering 2.1.1 Chemical bonds, 2.1.2 Ionic bonding, 2.1.3 Ionic compounds, 2.1.4 Covalent bonding, and 2.1.5 Metallic bonding. Each one has a worked solution and a mark scheme showing where the marks go.

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