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2.3 Ionic bonding

2.3 Ionic bonding

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Question 6
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Aluminium dichromate is an ionic compound containing aluminium ions, Al3+\text{Al}^{3+}Al3+, and dichromate ions, Cr2O72−\text{Cr}_2\text{O}_7^{2-}Cr2​O72−​.

What is the chemical formula of aluminium dichromate?

A

Al3(Cr2O7)2\text{Al}_3(\text{Cr}_2\text{O}_7)_2Al3​(Cr2​O7​)2​

B

Al2(Cr2O7)3\text{Al}_2(\text{Cr}_2\text{O}_7)_3Al2​(Cr2​O7​)3​

C

Al2Cr2O7\text{Al}_2\text{Cr}_2\text{O}_7Al2​Cr2​O7​

D

Al2Cr6O21\text{Al}_2\text{Cr}_6\text{O}_{21}Al2​Cr6​O21​

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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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