Discovered By: Albert Ghiorso
Discovery year: 1964

The following table showing some properties of Rutherfordium(Rf):

Table Example
Atomic number 104
Group 4
Period 7
Block d
Electrons 104
Protons 104
Neutrons 163
Atomic weight (267)
Oxidation states +4
Electrons per shell K2 L8 M18 N32 O32 P10 Q2


Table Example
Electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^6 6s^2 4f^14 5d^10 6p66 7s^2 5f614 6d^2
Valence 4
Radioactive Yes
Half life 4.7*10^4 s
Lifetime 6.8*10^4 s
Decay mode Alpha emision (α-decay)