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2.1 Chemical bonds, ionic, covalent and metallic

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Question 24

Magnesium is a Group 2 metal and bromine is a Group 7 non-metal. The elements react to form magnesium bromide, MgBr2\text{MgBr}_2MgBr2​.

Which describes the electron change undergone by each magnesium atom?

[1]
A

It loses both outer-shell electrons to a single bromine atom and forms an ion with a 2+2+2+ charge.

B

It loses its two outer-shell electrons and becomes an atom of a noble gas.

C

It loses its two outer-shell electrons and forms an ion with a 2−2-2− charge.

D

It loses one electron to each of two bromine atoms and forms an ion with a 2+2+2+ charge.

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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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