Rutherfordium
(Rf)
28183232102
Rf
Category
Transition metal
Relative atomic mass
261.1086
Density
13.51
Melting point (°C)
1342
Boiling point (°C)
3100
Electronegativity (Pauling)
1.28
Half-life
1.3 h
Discovery year
1949
Discovered by
Electrons: 104
Protons: 104
Neutrons: 163
Decay chain
created by @lukaswyss
Rutherfordium (Rf) – Element 104