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Properties of Matter Element Card 11, Lesson 21

Magnesium

Mg

Melting point

649° C

Boiling point

1090° C

Density

1.7 g/cm³

Appearance

Other physical properties

 

Chemical properties

When heated in air, magnesium burns readily, producing a bright white flame. It reacts slowly with water but quickly with steam.

Compounds

Compounds of magnesium are white.

Uses

Magnesium is used to make fireworks. It is alloyed with aluminum and zinc to make objects that are strong and lightweight.

Notes

Magnesium is extracted from seawater as magnesium chloride, which is then melted and electrolyzed. It is the eigth most abundant element in Earth's crust.

 

Fireworks over Washington, DC monuments

Magnesium burns quickly in air and produces a bright flame. it is often used in the manufacture of fireworks.

 

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