Question

Why are lanthanides and actinides called inner transition elements?

Answer 1

Lanthanides and actinides are called inner transition elements because they are a group of elements that are shown as the bottom two rows of the periodic table. ... Lanthanides and actinides belong to the f-blockelements, which means that they have filled up their f-orbitals with electrons.

Answer 2

Lanthanides and actinides are called inner transition elements because they are a group of elements that are shown as the bottom two rows of the periodic table. ...Lanthanides and actinides belong to the f-block elements, which means that they have filled up their f-orbitals with electrons