Bromine vs Strontium
| Property | Br Bromine | Sr Strontium |
|---|---|---|
| Atomic number | 35 | 38 |
| Symbol | Br | Sr |
| Name | Bromine | Strontium |
| Category | halogen | alkaline-earth-metal |
| Standard Atomic Weight | 79.904 u | 87.62 u |
| Period | 4 | 5 |
| Group | 17 | 2 |
| Block | p | s |
| Phase at STP | liquid | solid |
| Electron configuration | [Ar]4s23d104p5 | [Kr]5s2 |
| Oxidation states | [-1, 1, 2, 3, 4, 5, 7] | [1, 2] |
| Electronegativity (Pauling) | 2.96 | 0.95 |
| Electron affinity | 3.3635 eV | 0.052 eV |
| Density | 3102.8 kg/m³ | 2640 kg/m³ |
| Melting point | -7.2 °C | 776.85 °C |
| Boiling point | 58.8 °C | 1381.85 °C |
| Discovery year | 1825 | 1792 |