Zirconium
| Zr |
Zirconium |
Transition Metal |
| Atomic number: |
40 |
|
Atomic weight: |
91.224 |
|
| Shells: |
2,8,18,10,2 |
|
Orbitals: |
[Kr] 4d2 5s2 |
|
| Melting point: |
1852°C ±2°C |
|
Boiling point: |
4377°C |
|
| Covalent radius: |
1.45 |
Å |
Atomic volume: |
14.1 |
cm³/mol |
| Atomic radius: |
2.16 |
Å |
Ionic radius: |
.84 (+4) |
Å |
| Electronegativity: |
1.33 |
|
Oxidation states: |
|
|
| 1st ionization pot.: |
6.6339 |
V |
2nd ionization pot.: |
13.13 |
V |
| 3rd ionization pot.: |
22.99 |
V |
Specific heat: |
0.27 |
J/gK |
| Heat of fusion: |
16.90 |
kJ/mol |
Heat of vapor.: |
58.20 |
kJ/mol |
| Thermal conduct.: |
0.227 |
W/cmK |
Electrical conduct.: |
0.0236 |
10^6/cm ohm |
| Density: |
6.4 |
g/cm³ |
Valence: |
2,3,4 |
|
