English National Curriculum - Science Science

3. Explore electrolysis of aluminium oxide

Mission Objectives

Describe why electrolysis is used to extract some metals

Describe how aluminium is extracted by electrolysis

Write half equations for the reactions of the cathode and the anode

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Keywords

Words and meanings to learn

positive

A type of charge such as protons.

negative

A type of charge such as neutrons.

graphite

A type of carbon which has atoms that are ordered in layers.

conductor

Measurement of how easily heat or electrical charge passes between a material.

electron

Subatomic particles which are negatively charged that are either bound to an atoms nucleus or are free.

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