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Metal Hydroxide

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Key Stage 3

Meaning

A Metal Hydroxide is a basic metal compound made of one or more Metal atoms and one or more Hydroxides 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
Titanium Oxide: TiO2
Manganese Oxide: MnO
Iron Oxide: Fe2O3
Copper Oxide: CuO
Zinc Oxide: ZnO
Boron Oxide: B2O3
Aluminium Oxide: Al2O3
Gallium Oxide: Ga2O3
Indium Oxide: In2O3