Y
Yttrium
Element 39 · Transition metal · Period 5, Group 3
Solid · Discovered 1794
Atomic Properties
| Atomic Number | 39 |
| Atomic Mass | 88.90584u |
| Electron Configuration | [Kr]5s2 4d1 |
| Electronegativity | 1.22Pauling |
| Atomic Radius | 219pm |
| Ionization Energy | 6.217eV |
| Electron Affinity | 0.307eV |
| Oxidation States | +3 |
Physical Properties
| Standard State | Solid |
| Melting Point | 1795K |
| Boiling Point | 3618K |
| Density | 4.47g/cm³ |
| Group Block | Transition metal |
| Year Discovered | 1794 |