Symbol: Rf
Atomic number: 104
Category: transition metals
Group: 4
Period: 7
Block: d
Atomic weight: [267] g/mol
Electrons per shell: 2, 8, 18, 32, 32, 10, 2
CAS number: 53850-36-5
Phase: presumably a solid
Density: unknown
Melting point: unknown
Boiling point: unknown
Crystal structure: unknown
Oxidation states: 4
Electronegativity: unknown
Name's origin: Ernest Rutherford
Name's meaning: the father of nuclear physics
- is a synthetic element that is not present in the environment at all
- isolation of an observable quantity of rutherfordium has never been achieved
- its most stable isotope, rutherfordium-267, has a half-life of approximately 1.3 hours