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Ion
An atom that has either lost or gained electrons.
Ionic compound
A compound made up of a metal and a non-metal.
Cations
A positively charged ion.
Anions
A negatively charged ion.
Electrolysis
The splitting up of a compound into its elements using electricity.
Electrolyte
A liquid or solution that conducts electricity.
Electrode
A rod (metal or graphite) that conducts electricity.
Anode
A positively charged electrode that attracts anions.
Cathode
A negatively charged electrode that attracts cations.
Oxidation
When a substance loses electrons.
Reduction
When a substance gains electrons.
Molten
The substance has ‘melted’ or is in ‘liquid’ form.
Note 
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