Physical properties of Manganese

Atomic properties of magnesium:

Molecular mass (Da): 54.938
Group number: 7
Period number: 4
Block: d-block
Electron configuration: [Ar] 4s² 3d⁵
Electron shell structure: 2.8.13.2

Magnesium temperature related properties:

Melting point (K): 1518
Boiling point (K): 2235
Heat capacity (kJxkg^-1x°C^-1): 0.481
Thermal conductivity (Wxm^-1xK^-1): 7.82
Coefficient of linear thermal expansion (µmxK^-1): 21.7

Magnesium enthalpies:

Enthalpy of fusion (kJxmol^-1): 13.2
Enthalpy of vaporization (kJxmol^-1): 219.7
Enthalpy of atomization (kJxmol^-1): 281

Bond enthalpies for diatomic gaseous molecules (kJxmol^-1):

Mn - Mn: 25.9
Mn - H: 234 +- 29
Mn - O: 402.9 +- 41.8
Mn - S: 301 +- 17
Mn - Se: 239.3 +- 9.2
Mn - F: 423.4 +- 14.6
Mn - Cl: 360.7 +- 9.6
Mn - Br: 314.2 +- 9.6
Mn - I: 282.8 +- 9.6

Basic physical properties of magnesium:

Density (kgxm^-3): 7470
Vapour pressure at 1244° (Pa): 121
Molar volume (cm³): 7.35
Velocity of sound (mxs^-1): 5150
Young modulus (GPa): 198
Bulk modulus (GPa): 120
Mineral hardness: 6.0
Brinell hardness: 196
Electrical resistivity (Ohm^-1xcm^-1): 6950

Magnesium bond length:

Mn - Mn (Angstom): 2.731
Covalent radius (Angstrom): 1.39
Atomic radius (Angstom): 1.40

X-ray Crystallographic structure:

Space group: I-43m (217)
a (Angstrom): 8.9125
b (Angstrom): 8.9125
c (Angstrom): 8.9125
α (°): 90.0
β (°): 90.0
γ (°): 90.0