Encyclopedia > D-block

Article Content

D-block

D-block (for diffuse) elements consist of the transition metals (group 3-12 on the periodic table) in which the outermost electron shell is the D orbital. D-block elements form at least one stable ion with an incompletely filled electron subshell.

Featured Article

List of closed London Underground stations

... deep-level stations have closed platforms: Charing Cross tube station (for the Jubilee Line) Holborn tube station (for the Aldwych branch of the Piccadilly Line) These ...