Yttrium
Transition metal| Atomic number | 39 |
|---|---|
| Category | Transition metal |
| Atomic mass | 88.906 |
| Electron configuration | [Kr]4d¹ 5s² |
| Oxidation states | +3 |
| Electronegativity | 1.22 |
| Melting point | 1,526 °C |
| Boiling point | 2,930 °C |
| Density | 4.47 g/cm³ |
| Crystal structure | Close-packed hexagonal |
| Group | 3 |
| Period | 5 |
| Block | d |
| Discovered | 1,794 |
| Crustal abundance | 33 ppm |
