Strontium
Alkaline earth metal| Atomic number | 38 |
|---|---|
| Category | Alkaline earth metal |
| Atomic mass | 87.62 |
| Electron configuration | [Kr]5s² |
| Oxidation states | +2 |
| Electronegativity | 0.95 |
| Melting point | 777 °C |
| Boiling point | 1,382 °C |
| Density | 2.64 g/cm³ |
| Crystal structure | Face-centred cubic |
| Group | 2 |
| Period | 5 |
| Block | s |
| Discovered | 1,790 |
| Crustal abundance | 370 ppm |
