Strontium vs Antimony
| Property | Sr Strontium | Sb Antimony |
|---|---|---|
| Atomic number | 38 | 51 |
| Symbol | Sr | Sb |
| Name | Strontium | Antimony |
| Category | alkaline-earth-metal | metalloid |
| Standard Atomic Weight | 87.62 u | 121.76 u |
| Period | 5 | 5 |
| Group | 2 | 15 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]5s2 | [Kr]5s24d105p3 |
| Oxidation states | [1, 2] | [-3, -2, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 0.95 | 2.05 |
| Electron affinity | 0.052 eV | 1.07 eV |
| Density | 2640 kg/m³ | 6685 kg/m³ |
| Melting point | 776.85 °C | 630.63 °C |
| Boiling point | 1381.85 °C | 1586.85 °C |
| Discovery year | 1792 | 1707 |