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Edexcel IGCSE Chemistry 1.47 Simple Molecular Structures Questions

Practise explaining why simple molecular substances have low melting or boiling points using weak intermolecular forces and energy changes.

Syllabus
First assessment 2019
Course
Chemistry 4CH1

Exam points

  • explain low boiling points by linking weak intermolecular forces to little energy needed
  • apply the same force-and-energy argument to substances
  • state a physical state at room temperature from simple molecular melting or boiling point data

Edexcel IGCSE Chemistry 1.47 Simple Molecular Structures Questions question 1

[Maximum number: 2]

Carbon dioxide is a simple molecular covalent substance.

Explain why carbon dioxide turns from a solid to a gas at a very low temperature.

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