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Metal Oxide

Key Stage 3

Meaning

A Metal Oxide is a basic metal compound made of one or more Metal atoms and Oxygen atoms.

About Metal Oxides

Metal Oxides have a pH greater than 7
Some Metal Oxides are insoluble solids.
Some Metal Oxides dissolve in water to make Metal Hydroxides which are alkalis.

Examples

Group 1 Metal Oxides Group 2 Metal Oxides Transition Metal Oxides Group 3 Metal Oxides
Lithium Oxide: Li2O
Sodium Oxide: Na2O
Potassium Oxide: K2O
Rubidium Oxide: Rb2O
Caesium Oxide: Cs2O
Beryllium Oxide: BeO
Magnesium Oxide: MgO
Calcium Oxide: CaO
Strontium Oxide: SrO
Barium Oxide: BaO

Chemical Formulae may vary for transition metals.

Titanium Oxide: TiO2
Manganese Oxide: MnO
Iron Oxide: Fe2O3
Copper Oxide: CuO
Zinc Oxide: ZnO
Aluminium Oxide: Al2O3
Gallium Oxide: Ga2O3
Indium Oxide: In2O3

Key Stage 3

Meaning

A Metal Oxide is a basic metal compound made of one or more Metal atoms and Oxygen atoms.

About Metal Oxides

Metal Oxides have a pH greater than 7
Some Metal Oxides are insoluble solids.
Some Metal Oxides dissolve in water to make Metal Hydroxides which are alkalis.

Examples

Group 1 Metal Oxides Group 2 Metal Oxides Transition Metal Oxides Group 3 Metal Oxides
Lithium Oxide: Li2O
Sodium Oxide: Na2O
Potassium Oxide: K2O
Rubidium Oxide: Rb2O
Caesium Oxide: Cs2O
Beryllium Oxide: BeO
Magnesium Oxide: MgO
Calcium Oxide: CaO
Strontium Oxide: SrO
Barium Oxide: BaO

Chemical Formulae may vary for transition metals.

Titanium Oxide: TiO2
Manganese Oxide: MnO
Iron Oxide: Fe2O3
Copper Oxide: CuO
Zinc Oxide: ZnO
Aluminium Oxide: Al2O3
Gallium Oxide: Ga2O3
Indium Oxide: In2O3

References

AQA

Metal oxides, pages 129, 130, GCSE Combined Science; The Revision Guide, CGP, AQA
Metal oxides, pages 130-132, 137, 138, GCSE Combined Science Trilogy; Chemistry, CGP, AQA
Metal oxides, pages 155-157, 162, 163, GCSE Chemistry, CGP, AQA
Metal oxides, pages 54, 56, GCSE Chemistry; The Revision Guide, CGP, AQA
Metal oxides, pages 88-89, 106-107, GCSE Chemistry; Third Edition, Oxford University Press, AQA
Metal oxides; acid-base character of, pages 247, 248, GCSE Combined Science Trilogy 1, Hodder, AQA
Metal oxides; reaction with acids, pages 214, 248, 249, GCSE Combined Science Trilogy 1, Hodder, AQA