Atomic number 39 · transition metal · Atomic mass 88.906 u
| Atomic Number | 39 |
| Atomic Mass | 88.9060 u |
| Category | transition metal / 过渡金属 |
| Group | 3 |
| Period | 5 |
| Block | D |
| Electron Configuration | [Kr] 4d¹ 5s² |
| Electronegativity (Pauling) | 1.22 |
| Phase at STP | Solid |
| Density | 4.472 g/cm³ |
| Year Discovered | 1794 |
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