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2.1 Chemical bonds, ionic, covalent and metallic

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Question 13
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Potassium is in Group 1 of the periodic table and oxygen is in Group 6. Potassium reacts with oxygen to form potassium oxide, K2O\text{K}_2\text{O}K2​O.

Describe what happens when potassium atoms react with oxygen atoms. Answer in terms of electrons and ions.

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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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