Polonium
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