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Magnesium
The twelfth element on the periodic table is Magnesium. Its symbol is
Mg; it has an atomic number of twelve, and has an atomic mass of 24.321.
Magnesium belongs to the group 2a of the periodic table. Its chemical name is
magnesium. Magnesium melts at 650 degrees Celsius, and boils at 1090 degrees
Celsius. An English chemist Sir Humphry Davy discovered it in 1808.
Pure Magnesium does not occur in nature. Various minerals contain
magnesium compounds and must …
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