Information

Rutherfordium (Rf) properties


Atomic mass, symbol and atomic number

rutherfordium is an artificially generated element with the element symbol Rf and the atomic number 104. In the periodic table it belongs to the transactinoids with an atomic mass of 261.10 u. The chemical element discovered in 1964 is radioactive and is in a solid state of aggregation at room temperature.

Profile: Rutherfordium (English Rutherfordium)

General
Chemical element:rutherfordium
Symbol:Rf
Atomic number:104
Group:Titan group
Period:7
Block:d-block
Series:Transition metals
Appearance:unknown
explorers:Nuclear Research Center Dubna
Year of discovery:1964
Atomic properties
Atomic mass:261,10 u
Atomic radius:150 pm
Covalent radius:157 pm
Van der Waals radius:unknown
Electron configuration:Rn 5f14 6d2 7s2
ionization:unknown
Physical Properties
Physical state:firmly
Density:???
Crystal structure:unknown
Magnetism:unknown
molar volume:unknown
Mohs hardness:unknown
Melting point:2100 ° C
Boiling point:5500 ° C
Heat of fusion:unknown
Heat of vaporization:unknown
Thermal conductivity:unknown
Chemical properties
electronegativity:unknown

Did you know that ...

  • the element Rutherfordium was named after the physicist Ernest Rutherford?
  • the half-lives of Rutherfordium are so short that the present properties are based on estimates?
  • Rutherfordium represents the first element in the series of transactinides?