| Strontium | |
| Electrons per shell | 2,8,18,8,2 |
| Electron Configuration | [Kr] 5s2 ![]() |
| Ground state | 1S0 |
| Atomic Volume | 33.7 cm3 mol-1 |
| Electronegativity | 0.95 |
| Magnetic ordering | Paramagnetic |
| Mass magnetic susceptibility | -2.5 x 10-9 |
| Molar magnetic susceptibility | -2.19 x 10-10 |
Thermal Properties |
|
| Enthalpy of Atomization | 163.2 kJ mol-1 @25°C |
| Enthalpy of Fusion | 9.16 kJ mol-1 |
| Enthalpy of Vaporisation | 154.4 kJ mol-1 |
| Heat Capacity | 26.4 J mol-1 K-1 |
| Thermal Conductivity | 35.4 W m-1 K-1 |
| Thermal Expansion | 22.5 μm m-1 K-1 |
| Critcal Temperature | No data. |
| Critcal Pressure | No data. |
| Adiabatic index | No data. |
Hardness |
|
| Mohs hardness | 1.5 |
Elastic Properties |
|
| Poisson ratio | 0.28 |
| Shear modulus | 6.1 GPa |
Electrical Properties |
|
| Electrical resistivity | 1.3 x 10-7 Ω m |
| Electrical conductivity | 0.0762 106/cm Ω |
Chemical Properties |
|
| Electrochemical Equivalent | 1.635 g Ah-1 |
| Electron Work Function | 2.59 eV |
| Valence Electron Potential (-eV) | 25.7 |
| Ionization Potential | |
| 5.695 | |
| 11.03 | |
| 43.6 | |
Energy Levels |
|
| 14.165 KeV | |
| 14.0979 KeV | |
| 15.8357 KeV | |
| 16.0835 KeV | |
| 15.8226 KeV | |
| 1.80656 KeV | |
| 1.80474 KeV | |
| 1.87172 KeV | |
| 1.9478 KeV | |
| 1.9361 KeV | |
| 1.649 KeV | |
| 1.582 KeV | |
Atomic Radii |
|
| 200 pm | |
| 219 pm | |
| 192 pm | |
| No data. | |
| 139 pm | |
| 215 pm | |
Oxidation States |
|
| Sr+2 | |
Ionisation Energies (kJ mol-1) ![]() |
|
| 549.5 | |
| 1064.2 | |
| 4210 | |
| 5500 | |
| 6910 | |
| 8760 | |
| 10200 | |
| 11800 | |
| 15600 | |
| 17100 | |
Vapour Pressure |
||||||
| P (Pa) | 1 | 10 | 100 | 1K | 10K | 100K |
| T (K) | 796 | 882 | 990 | 1139 | 1345 | 1646 |
Crystal Structure |
|
| Cubic close packed | |
![]() |
a = 608.49 pm |
| b = 608.49 pm | |
| c = 608.49 pm | |
| α = 90° | |
| β = 90° | |
| γ = 90° | |