Q. Which of the following is not an actinide?

A) Curium
B) Californium
C) Erbium
D) Americium
Explanation

(c)
Erbium is a lanthanide

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

Want more practice?
Practice The d-and f-Block Elements MCQs