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 |
|
