| Symbol |
Rf |
|
| Atomic Number |
104 |
Relative Atomic Mass
12C = 12.0000 |
261.11 (261Rf) |
Atomic Radius
pm |
150 (est.) |
First Ionisation Energy
kJ mol-1 |
490 (est.) |
| Electronegativity |
n/a |
Density
kg m-3 |
23000 (est.) |
Molar Volume
cm3 |
n/a |
Thermal Conductivity
W m-1 K-1 |
n/a |
Melting Point
K |
2400 (est.) |
Boiling Point
K |
5800 (est.) |
| Number of Isotopes |
10 |
Ground State Electron
Configuration |
[Rn]5f146d27s2 |
| Term Symbol |
3F2 |
| Discovery |
260Rf discovered by a group of scientists (Dubna, Russia) in 1964. 264Rf was discovered by a group of scientists (Berkeley, USA) in 1969. |
| Name Derived From |
Named after Lord Rutherford |
Name in Other
Languages |
 Croatian | Rutherfordij |
 Danish | rutherfordium |
 Dutch | rutherfordium |
 Finnish | rutherfordium |
 French | rutherfordium |
 German | Rutherfordium |
 Italian | rutherfordio |
 Norwegian | rutherfordium |
 Portuguese | rutherfórdio |
 Spanish | rutherfordio |
 Swedish | rutherfordium |
| Peter van der Krogt's Element Multidict - element name translations in over 48 langauges |
