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2.3 Ionic bonding

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Question 12
H

Chromium(III) sulfate is an ionic compound containing Cr3+\mathrm{Cr^{3+}}Cr3+ ions and SO42−\mathrm{SO_{4}^{2-}}SO42−​ ions.

How many atoms are there in one formula unit of chromium(III) sulfate?

[1]
A

6

B

13

C

15

D

17

Markscheme

2.3 Ionic bonding Questions

  1. GCSE
  2. /Chemistry
  3. /2.3 Ionic bonding

56 exam-style questions on Edexcel GCSE Chemistry 2.3 Ionic bonding, covering 2.3.1 Ions and the formation of ionic bonds, 2.3.2 Naming and deducing formulae of ionic compounds, and 2.3.3 Giant ionic lattices. Each one has a worked solution and a mark scheme showing where the marks go.

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