Which of the following is not an actinoid? | Chemistry | SolveeIt | Solveeit

Today, August 18

Question

Which of the following is not an actinoid?

A

Curium (Z = 96)

B

Californium (Z = 98)

C

Uranium (Z =92)

D

Terbium (Z = 65)

Answer

Terbium (Z = 65)

Explanation

Solution

Element from atomic number $89$ to $103$ are called actinoids. Thus, terbium $(Z=65)$ is not an actinoid.