| Property | Value |
|---|---|
| Atoomnummer | 38 |
| Atoomgewicht | 87.621 amu |
| Element family | Aardalkalimetalen |
| Elektronische configuratie | 1s2 |
| Stable and very long lived isotopes | 84Sr: 0.56%, 86Sr: 9.86%, 87Sr: 7.00%, 88Sr: 82.58% |
| Previous element | Rubidium |
| Next element | Yttrium |
| Dichtheid | 2.64 g/cm3 (STP) |
| Smelten | 769 °C |
| Kookpunt | 1384 °C |
| Covalente straal | 1.85 Å |
| Van der Waals straal | 2.49 Å |
| Ionstraal | 1.12 Å |
| Metalic radius | 2.15 Å |
| Eerst ionisatiepotentiaal | 5.695 eV |
| Elektronenaffiniteit | 0.052 eV |
| Electronegativity | 0.95 |
| Discovery year | 1787 |
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