English National Curriculum Science

10. Explore solids, liquids and gases - Properties of Small Covalent Molecules

Mission Objectives

Explain why small covalent molecules have got low melting and boiling points

Explain why small covalent molecules cannot conduct electricity

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Keywords

Words and meanings to learn

solid

Something which is compact or firm where the atoms are connected tightly.

liquid

A substance that flows freely but is of constant volume, having a consistency like that of water or oil.

gas

A substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape and no fixed volume.

vibration

Particles within a body moving in alternate directions from the equilibrium.

boiling

At or near boiling point.

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