Q. 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
Explanation
The correct answer is Option D: They are radioactive in nature.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.