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2.5 Types of substance

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Question 7
F

Figure: Part of the sodium chloride structure image

Which description is correct?

[1]
A

Positive ions surrounded by shared pairs

B

Separate NaCl\mathrm{NaCl}NaCl molecules joined by weak forces

C

A layer of carbon atoms with delocalised electrons

D

A regular giant lattice of oppositely charged ions

Markscheme

2.5 Types of substance Questions

  1. GCSE
  2. /Chemistry
  3. /2.5 Types of substance

48 exam-style questions on Edexcel GCSE Chemistry 2.5 Types of substance, covering 2.5.1 Classifying substances by structure and bonding, 2.5.2 Properties of ionic and simple molecular substances, 2.5.3 Giant covalent structures: diamond and graphite, 2.5.4 Fullerenes, graphene and simple polymers, 2.5.5 Properties of metals and non-metals, and 2.5.6 Limitations of bonding models and representations. Each one has a worked solution and a mark scheme showing where the marks go.

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