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2.3 Ionic bonding

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Question 19
F

Sodium phosphate is an ionic compound with the formula Na3PO4\mathrm{Na_{3}PO_{4}}Na3​PO4​. A calcium ion is Ca2+\mathrm{Ca^{2+}}Ca2+.

What is the formula of calcium phosphate?

[1]
A

CaPO4\mathrm{CaPO_{4}}CaPO4​

B

Ca3PO4\mathrm{Ca_{3}PO_{4}}Ca3​PO4​

C

Ca2(PO4)3\mathrm{Ca_{2}(PO_{4})_{3}}Ca2​(PO4​)3​

D

Ca3(PO4)2\mathrm{Ca_{3}(PO_{4})_{2}}Ca3​(PO4​)2​

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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