F-block

From Wikinfo

Elemental Groups

d-block f-block g-block p-block s-block Subgroups actinide lanthanide

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

References

• Adapted from the Wikipedia article, "F-block" http://en.wikipedia.org/wiki/F-block, used under the GNU Free Documentation License