Tellurium
Atomic number:
52
Atomic weight:
127.60
Shells:
2,8,18,18,6
Orbitals:
[Kr] 4d10 5s2 5p4
Melting point:
449.5°C
Boiling point:
989.9°C
Covalent radius:
1.36
Å
Atomic volume:
20.5
cm³/mol
Atomic radius:
1.42
Å
Ionic radius:
.97 (+4)
Å
Electronegativity:
2.1
Oxidation states:
-2,(4),6
1st ionization pot.:
9.0096
V
2nd ionization pot.:
18.60
V
3rd ionization pot.:
27.96
V
Specific heat:
0.20
J/gK
Heat of fusion:
17.490
kJ/mol
Heat of vapor.:
52.550
kJ/mol
Thermal conduct.:
0.0235
W/cmK
Electrical conduct.:
2.0e-6
10^6/cm ohm
Density:
6.24
g/cm³
Valence:
2,4,6
