Strontium
| Sr |
Strontium |
Alkali Earth Metal |
| Atomic number: |
38 |
|
Atomic weight: |
87.62 |
|
| Shells: |
2,8,18,8,2 |
|
Orbitals: |
[Kr] 5s2 |
|
| Melting point: |
769°C |
|
Boiling point: |
1384°C |
|
| Covalent radius: |
1.91 |
Å |
Atomic volume: |
33.7 |
cm³/mol |
| Atomic radius: |
2.45 |
Å |
Ionic radius: |
1.26 (+2) |
Å |
| Electronegativity: |
0.95 |
|
Oxidation states: |
|
|
| 1st ionization pot.: |
5.6948 |
V |
2nd ionization pot.: |
11.03 |
V |
| 3rd ionization pot.: |
43.60 |
V |
Specific heat: |
0.30 |
J/gK |
| Heat of fusion: |
8.30 |
kJ/mol |
Heat of vapor.: |
144.0 |
kJ/mol |
| Thermal conduct.: |
0.353 |
W/cmK |
Electrical conduct.: |
0.0762 |
10^6/cm ohm |
| Density: |
2.6 |
g/cm³ |
Valence: |
2 |
|
