Main Page | See live article | Alphabetical index

F-block

Elemental Groups

Subgroups

F-block (for fundamental) elements consist of the lanthanide and actinide series. They have two s-electrons in their outer (n) electron shell and f-electrons in their inner (n-2) shell. Some also have d-electrons in their semi-inner (n-1) shell.

See also: Electron configuration