f-block (Q214680)
periodic table block; in the center-left of a 32-column periodic table but in the footnoted appendage of 18-column tables.
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other details
aliases inner transition metals
description periodic table block; in the center-left of a 32-column periodic table but in the footnoted appendage of 18-column tables.

External Links
(P646) /m/0j7p9
(P691) ph932526
(P4342) f-blokken