Cambridge IGCSE Chemistry practice

Paper 4 structured question: Simple molecules and covalent bonds

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Paper

Marks

Topic

Simple molecules and covalent bonds

Exam-style question

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Paper 4Theory (Extended)1 marks

Properties of simple molecular compounds

Description

Simple molecular compounds are characterized by their low melting and boiling points and poor electrical conductivity.

a
State one property of simple molecular compounds related to their melting points.
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[1]

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Paper 4Theory (Extended)2 marks

Description

Simple molecular compounds do not conduct electricity due to the absence of free-moving charged particles.

a
Explain why simple molecular compounds do not conduct electricity.
Your answer
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[2]