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Magnesium
Beginning of 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 .... Middle of paper
.... cp at 650ºC (1)
The magnesium element has the atomic number of 12 and atomic weight of
24.3050. It's symbol is Mg. The group number that mg is in is group 2a.
It's electronic configuration of
[Ne].3 s2.
Physical data
Standard state: solid at 298 K
Colour: silvery white
Density of solid at ambient temperature/kg m-3: 1738
Molar volume/cm3: 14.00
Table on isotopes:
Nominal mass ....
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Number of words: 518
Number of pages: 2 (approx. 250 words per double-spaced page)
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