Yttrium vs Indium
| Property | Y Yttrium | In Indium |
|---|---|---|
| Atomic number | 39 | 49 |
| Symbol | Y | In |
| Name | Yttrium | Indium |
| Category | transition-metal | post-transition-metal |
| Standard Atomic Weight | 88.90584 u | 114.818 u |
| Period | 5 | 5 |
| Group | 3 | 13 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]5s24d1 | [Kr]5s24d105p1 |
| Oxidation states | [0, 1, 2, 3] | [-5, -2, -1, 0, 1, 2, 3] |
| Electronegativity (Pauling) | 1.22 | 1.78 |
| Electron affinity | 0.307 eV | 0.3 eV |
| Density | 4470 kg/m³ | 7310 kg/m³ |
| Melting point | 1521.85 °C | 156.6 °C |
| Boiling point | 3344.85 °C | 2071.85 °C |
| Discovery year | 1794 | 1863 |