Magnesium, Mg
Index
Magnesium is metal in group IIA of the periodic table with the atomic number 12, an atomic weight of 24.312, a density of 1.74 Mg/m3, and a melting temperature of 650 C.

The electronic configuration of magnesium is (Ne)(3s)2, and the atomic radius is 0.16 nm.

Magnesium has an hcp lattice with a = 0.321nm and 
c = 0.521 nm. The diagram shows a schematic unit cell.

E = 45 GPa, sy = 80 MPa, UTS = 125 MPa, and a fracture strain of 0.2.