Rf
Rutherfordium
Element 104 · Transition metal · Period 7, Group 4
Solid · Discovered 1964
Atomic Properties
| Atomic Number | 104 |
| Atomic Mass | 267.122u |
| Electron Configuration | [Rn]7s2 5f14 6d2 |
| Oxidation States | +4 |
Physical Properties
| Standard State | Solid |
| Group Block | Transition metal |
| Year Discovered | 1964 |