Rutherfordium (Rf) — Element 104: Properties & Data | Aladdin Scientific
Rutherfordium(Rf) — Element 104
Rutherfordium (Rf) is a transition metal with atomic number 104 and atomic mass 267.122. It sits in group 4 and period 7 of the periodic table and was discovered in 1964.
Key facts
| Atomic mass | 267.1220 u |
|---|---|
| Electron configuration | [Rn]7s2 5f14 6d2 |
| Oxidation states | +4 |
| Standard state | Solid |
| Year discovered | 1964 |
Frequently asked questions
What is the electron configuration of rutherfordium?
The ground-state electron configuration of rutherfordium is [Rn]7s2 5f14 6d2.
What group and period is rutherfordium in?
Rutherfordium (Rf) is in group 4 and period 7 of the periodic table, classified as a transition metal.
What is the standard state of rutherfordium?
Rutherfordium is a solid at standard temperature and pressure.
When was rutherfordium discovered?
Rutherfordium was discovered in 1964.
Related elements
About this data: property values compiled from IUPAC Standard Atomic Weights (2021), the NIST Atomic Spectra Database, and PubChem. Curated by the Aladdin Scientific technical team. Last reviewed: .