Magnesium
12
sodium ← magnesium → aluminium
Be
↑
Mg
↓
Ca
Periodic table – Extended periodic table
General
Name, symbol, number
magnesium, Mg, 12
Chemical series
alkaline earth metals
Group, period, block
2, 3, s
Appearance
silvery white solid at room temp
Standard atomic weight
24.3050(6) g·mol−1
Electron configuration
3s2
Electrons per shell
2, 8, 2
Physical properties
Phase
solid
Density (near r.t.)
1.738 g·cm−3
Liquid density at m.p.
1.584 g·cm−3
Melting point
923 K
(650 °C, 1202 °F)
Boiling point
1363 K
(1091 °C, 1994 °F)
Heat of fusion
8.48 kJ·mol−1
Heat of vaporization
128 kJ·mol−1
Specific heat [...]