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Magnesium

Magnesium

Catalogue

Atomic structure
Discovery
Source
Element USES
physical property
Chemical property
Geological data
Biology data

Atomic structure

Atomic radius/A: 1.72 atomic volume/cm3 / mol: 13.97 covalent radius/A: 1.36

Electronic configuration: 1 2 3 s2 s2p6 s2 ion radius/A: 0.72 oxidation state: 2

Discovery

1755 in Edinburgh, Scotland, by Joseph Black identified as an element, Humphry Davy separating out in 1808.

Source

By electrolysis magnesium chloride and get.

Element USES

As an alloy, is used to make the rockets, aircraft and the car to reduce its own weight objects.

physical property

State: light gray metal. Melting point (℃) : 649 boiling point (℃) : 1090 density (g/cc, 300 K) : 1.738

Than hot/J/gK: 1.02 evaporation heat/KJ/mol: 127.4 melting hot/KJ/mol: 8.954

Conductive rate / 106 / cm: 0.226 coefficient of thermal conductivity/W/cmK: 1.56

Geological data

Abundance retention time/year: 1 x 107

The sun (relative to the H = 1 x 1012) : 4.0 x 107 sea/P.P.M. : 1200

The earth's crust/P.P.M. : 23 000

Biology data

The human body the content in liver/P.P.M. : 590

Organs: muscle/P.P.M. : 900

Blood/mg dm-3:37.8 days intake/mg: 250-380

Bone/P.P.M. : 700-1800 (70 Kg) are total body/g: 19

Detailed information

Mg

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