Atomic number 25 · transition metal · Atomic mass 54.938 u
| Atomic Number | 25 |
| Atomic Mass | 54.9380 u |
| Category | transition metal / 过渡金属 |
| Group | 7 |
| Period | 4 |
| Block | D |
| Electron Configuration | [Ar] 3d⁵ 4s² |
| Electronegativity (Pauling) | 1.55 |
| Phase at STP | Solid |
| Density | 7.21 g/cm³ |
| Year Discovered | 1774 |
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