Name :  Rutherfordium
Symbol :  Rf
Atomic Number :  104
Atomic Weight :  261.1089
Specific Heat :  -
Melting Point :  -
Vaporization :  -
Boiling Point :  -
Electronegativity :  -
Density@293 K :  -
Discovered :  A. Ghiorso, et al, United States, 1969
Description :  Synthetic radioactive metal.
Uses :  It has no significant commercial applications.