Bromine vs Curium
| Property | Br Bromine | Cm Curium |
|---|---|---|
| Atomic number | 35 | 96 |
| Symbol | Br | Cm |
| Name | Bromine | Curium |
| Category | halogen | actinide |
| Standard Atomic Weight | 79.904 u | 247 u |
| Period | 4 | 7 |
| Group | 17 | N/A |
| Block | p | s |
| Phase at STP | liquid | solid |
| Electron configuration | [Ar]4s23d104p5 | [Rn]7s25f76d1 |
| Oxidation states | [-1, 1, 2, 3, 4, 5, 7] | [3, 4, 5, 6] |
| Electronegativity (Pauling) | 2.96 | 1.3 |
| Electron affinity | 3.3635 eV | 0.277 eV |
| Density | 3102.8 kg/m³ | 1.351000e+4 kg/m³ |
| Melting point | -7.2 °C | 1344.85 °C |
| Boiling point | 58.8 °C | 3126.85 °C |
| Discovery year | 1825 | 1944 |