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Magnesium
Part one of term paper
is one of the alkaline-earth metals of main group IIa in the
periodic table. is a grayish-white metal. Normally is
covered with a layer of oxide, MgO, that protects from air and
water. is an important element for plant and animal life.
Chlorophylls depend greatly on it.Sir Humphrey Davy discovered magnesium in
1775 at England. It was d ...
Part two of term paper
... 1.58 g.cm-3 at 650RC (1)
Melting point 650ºC
Boiling point 1103ºC
Crystal structure close-packed hexagonal
Heat of combustion 25020 kJ.kg -1
Flame temperature ~2800ºC
Heat of fusion 368 kJ.kg-1
Heat of vaporisation 5272 kJ.kg-1
Specific heat 1025 J.K -1.kg at 20ºC
Vapour pressure 20 Pa at 527ºC(s)
360 Pa at 650ºC (1)
1400 Pa at 727ºC
Valence states ...
Word count: 518 | Approximate pages: 2
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