Source of the photo
http://commons.wikimedia.org/wiki/File:Electron_shell_110_darmstadium.png
Author of the description
Gruiz Katalin
Atomic number 110
Atomic mass 261.9 g.mol -1
Electronic shell [Rn] 5f14 6d9 7s1
Isotopes 6
Discovered Albert Ghiorso in 1970
Source of description