Chemistry IGCSE: Chapter 10 - Metals

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12 Terms

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zone

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zone

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zone

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zone 4

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zone 5

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bauxite

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electrolysis

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cryolite

a mineral used as a solvent in the electrolysis of aluminum, allowing the extraction of aluminum from its ore.

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cathode half equations

Al+3 + 3e → Al (reduction)

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anode

2O → O2 + 4e

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rusting

corrosion of iron and steel from iron oxide or hydrated iron oxide

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why is aluminium a useful construction material

the material is protected by a mciro layer