The configuration of lutetium did not change and since it consisted of 4f14 5d1 6s2 this meant that lutetium could now be considered as the first element in the third row of the d-block, and ytterbium ...
Lutetium is the last of its family and the smallest. In size it is much nearer to yttrium and scandium, so some versions of the Periodic Table have lutetium directly under Sc and Y, preceded by the ...