Home Chemistry Classification of Elements and Periodicity Extended or Long form of Periodic Table Which of the following is not an actinoid?
Chemistry Classification of Elements and Periodicity Extended or Long form of Periodic Table Single Correct MCQ
Published on: August 11, 2026

Which of the following is not an actinoid?

A
Curium ( Z = 96 )
B
Californium ( Z = 98)
C
Uranium (Z = 92)
D
Terbium (Z = 65)

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Text Solution

Verified by Experts
The correct answer is:
D

Terbium (Z = 65) is a lanthanoid and all others are actinoids.

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