Chemistry Electrolysis Key Terms

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Ion

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12 Terms

1

Ion

An atom that has either lost or gained electrons.

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2

Ionic compound

A compound made up of a metal and a non-metal.

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3

Cations

A positively charged ion.

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4

Anions

A negatively charged ion.

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5

Electrolysis

The splitting up of a compound into its elements using electricity.

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6

Electrolyte

A liquid or solution that conducts electricity.

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7

Electrode

A rod (metal or graphite) that conducts electricity.

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8

Anode

A positively charged electrode that attracts anions.

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9

Cathode

A negatively charged electrode that attracts cations.

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10

Oxidation

When a substance loses electrons.

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11

Reduction

When a substance gains electrons.

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12

Molten

The substance has ‘melted’ or is in ‘liquid’ form.

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