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2.3 Ionic bonding

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Question 21
F

A student makes three statements about some ionic compounds.

Statement 1: CaS\mathrm{CaS}CaS is calcium sulfide

Statement 2: LiNO3\mathrm{LiNO_{3}}LiNO3​ is lithium nitride

Statement 3: one formula unit of (NH4)2SO4\mathrm{(NH_{4})_{2}SO_{4}}(NH4​)2​SO4​ contains 15 atoms

Which statements are correct?

[1]
A

1 only

B

1 and 2 only

C

1 and 3 only

D

2 and 3 only

Markscheme

2.3 Ionic bonding Questions

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

119 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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