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2.1 Chemical bonds, ionic, covalent and metallic

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Question 12
H

Magnesium oxide has ionic bonding. Carbon dioxide has covalent bonding. Which statement explains this difference in bonding?

[1]
A

Magnesium has two electrons in its outer shell, but carbon atoms have four

B

Magnesium is a metal and oxygen a non-metal, but carbon and oxygen are non-metals

C

Magnesium and oxygen are in different periods, but carbon and oxygen are not

D

Magnesium oxide is a giant structure, but carbon dioxide consists of small molecules

Markscheme

2.1 Chemical bonds, ionic, covalent and metallic Questions

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

40 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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