Elements · ← Lr Lawrencium · Db Dubnium →
Rf Rutherfordium
Basic facts
| Symbol | Rf |
|---|---|
| Atomic number | 104 |
| Atomic mass | 267.122(no standard atomic weight: the element has no stable isotopes or characteristic natural composition; PubChem lists this isotope mass) |
| Group | 4 |
| Period | 7 |
| Block | d-block |
| Category | Transition metal |
| Standard state | Solid |
| Discovered | 1964 |
Source: PubChem, Rutherfordium (periodic table data, retrieved 2026-10-19). Group and period follow the standard 18-column periodic table.
Biotech uses & experiments
No verified biotech applications listed yet.