Polonium

Po
Polonium
Metal

 

Atomic number:
 84
Atomic weight:
 (208.9824)
Shells:
 2,8,18,32,18,6
Orbitals:
 [Xe] 4f14 5d10 6s2 6p4
Melting point:
 254°C
Boiling point:
 962°C
Covalent radius:
 1.46
Å
Atomic volume:
 22.23
cm³/mol
Atomic radius:
 1.53
Å
Ionic radius:
 --
Å
Electronegativity:
 2.0
Oxidation states:
(4),2
1st ionization pot.:
 8.4167
V
2nd ionization pot.:
 --
V
3rd ionization pot.:
 --
V
Specific heat:
 0.12
J/gK
Heat of fusion:
 --
kJ/mol
Heat of vapor.:
 --
kJ/mol
Thermal conduct.:
 0.20
W/cmK
Electrical conduct.:
 0.0219
10^6/cm ohm
Density:
 9.4
g/cm³
Valence:
 -2,0,2,4,6