Discovered By: Sigurd Hofmann
Discovery year: 1996

The following table showing some properties of Copernicium(Cn):

Table Example
Atomic number 112
Group 12
Period 7
Block d
Electrons 112
Protons 112
Neutrons 173
Atomic weight (285)
Oxidation states n/a
Electrons per shell K2 L8 M18 N32 O32 P18 Q2


Table Example
Electrron 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 6p^6 7s^2 5f^14 6d^10
Radioactive Yes
Half life 2.4*10^3 s
Lifetime 3.5*10^3 s
Decay mode Alpha emission (α-decay)