The point of dissimilarity between lanthanides and actinides is

Question

The point of dissimilarity between lanthanides and actinides is (A) three outermost shells are partially filled (B) they show oxidation state of +3 (common) (C) they are called inner transition elements (D) they are radioactive in nature

Tardigrade Admin · Accepted Answer

Lanthanides and actinides both are not radioactive. Except promethium, all lanthanides are non radioactive. While all actinides are radioactive.

Q. The point of dissimilarity between lanthanides and actinides is

three outermost shells are partially filled

they show oxidation state of $+ 3$ (common)

they are called inner transition elements

they are radioactive in nature

Lanthanides and actinides both are not radioactive. Except promethium, all lanthanides are non radioactive. While all actinides are radioactive.