What are lanthanides and actinides?

Question

What are lanthanides and actinides? (A) Inner transition element (B) Noble gas (C) Normal element (D) Transition element

Tardigrade Admin · Accepted Answer

Lanthanides and actinides constitute transition series within transition series and their last electron occupies the antipenultimate shell, so they are named as inner transition elements also.

Q. What are lanthanides and actinides?

Inner transition element

Noble gas

Normal element

Transition element

Lanthanides and actinides constitute transition series within transition series and their last electron occupies the antipenultimate shell, so they are named as inner transition elements also.