Magnesium
Properties, & Compounds
magnesium (Mg), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table, and the lightest structural metal. Its compounds are widely used in construction and medicine, and magnesium is one of the elements essential to all cellular life.
atomic number | 12 |
---|---|
atomic weight | 24.305 |
melting point | 650 °C (1,202 °F) |
boiling point | 1,090 °C (1,994 °F) |
specific gravity | 1.74 at 20° C (68 °F) |
oxidation state | +2 |
electron configuration | 1s22s22p63s2 |
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