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2.3 Ionic bonding

2.3 Ionic bonding

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Question 9

The formula of the chromium(III) ion is Cr3+\text{Cr}^{3+}Cr3+. The formula of the sulfate ion is SO42−\text{SO}_4^{2-}SO42−​.

Which is the formula of chromium(III) sulfate?

A

Cr3(SO4)2\text{Cr}_3(\text{SO}_4)_2Cr3​(SO4​)2​

B

Cr2SO12\text{Cr}_2\text{SO}_{12}Cr2​SO12​

C

Cr2(SO4)3\text{Cr}_2(\text{SO}_4)_3Cr2​(SO4​)3​

D

Cr2S3O12\text{Cr}_2\text{S}_3\text{O}_{12}Cr2​S3​O12​

Markscheme

2.3 Ionic bonding Questions

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

32 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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