Rf - Rutherfordium

This artifical element, named after Ernest Rutherford, was discovered by Ghiorso and coworkers.

Atomic number - 104 Density g/mL -
Atomic weight u 261 Melting point K -
Bonding radius A - Boiling point K -
Atomic radius A - Heat of vaporization kJ/mol -
Ionization Potential V - Heat of fusion kJ/mol -
Electronegativity - - Specific heat J/gK -
The oxide is unknown.
Crystal are unknown.

Electron config. : [Rn] 5f14 6d2 7s2


Isotopes of Rf: Click mass number for decay process, product for element page.


253
1.8 sec
a/SF,9.500
No-249/?
253.0
254
0.5 msec
a/SF,9.500
No-250/?
254.0
255
1.5 sec
a/SF,9.300
No-251/?
255.10150
256
6.7 msec
a/SF,9.600
No-252/?
256.10118
257
4.7 sec
a/EC/SF,9.250
No-253/Lr-257/?
257.10327
258
12 msec
a/SF,4.300
No-254/?
258.10347
259
3.1 sec
a/EC/SF,9.110
No-255/Lr-259/?
259.10561
260
20.1 msec
a/SF,9.870
No-256/?
260.10653
261
65 sec
a/EC/SF,8.810
No-257/Lr-261/?
261.10891
262
1.2 sec
SF,10.560 MeV
?
262.11003
263

,10.735 MeV

263.11272
264

,9.690 MeV

264.11411
265

,10.800 MeV

265.11680
266

,10.820 MeV

266.11851
MASS abund.
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass