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Sr
Strontium
#38 · Alkaline Earth Metal
| Mass | 87.62 u |
| Density | 2.64 g/cm³ |
| Melting | 1050.0 K |
| Boiling | 1655.0 K |
| Electronegativity | 0.95 |
| Ionization Energy | 549.5 kJ/mol |
| Atomic Radius | 215.0 pm |
| Block | s-block |
| State (RT) | Solid |
| Config | [Kr] 5s2 |