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Magnesium

Mg Magnesium
12
24.305
3
Symbol
Mg
Atomic Number
12
Atomic Weight
24.305
Element Classification
Discovered By
Sir Humphrey Davy
Discovery Date
1808 (England)
Name Origin
Magnesia, ancient city in district of Thessaly, Greece.
Density(g/cc)
1.738
Melting Point
922
Boiling Point(K)
1363
Appearance
Lightweight, malleable, silvery-white metal
Atomic Radius(pm)
160
Atomic Volume(cc/mol)
14.0
Covalent Radius(pm)
136
Ionic Radius
66 (+2e)
Specific Heat
1.025
Fusion Heat
9.20
Evaporation Heat(kj/mol)
131.8
Thermal Conductivity(@25°C W/m K)
156
Debye Temperature
318.00
Pauling Negativity Number
1.31
First Ionizing Energy(kj/mol)
737.3
Oxidation States
2
Electronic Configuration
[Ne] 3s2
Lattice Structure
Hexagonal(HEX)
Lattice Constant
3.210
Lattice C/A Ratio
1.624

KEY

SEE ALSO

Magnesium

Columbia Encyclopedia

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