Properties of the Elements Magnesium

Chemical Symbol	Mg
Atomic Number	12
Electron Configuration	1s2 2s22p63s2
Stable Phase at 298.15 K	hexagonal close packed
Density (298 K)	1.74  g/cc
Atomic Mass	24.312
Young's Modulus, ksi	6500
Melting Temperature, K	922
Boiling Temperature, K	1363





 Isotopes
Thermodynamic and Structural Data
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