MCQ
Which of the following is not an actinide
- ACurium
- BCalifornium
- CUranium
- ✓Terbium
✓
Answer
Correct option: D.
Terbium
d
(d)Terbium is lanthanide as it belongs to $4f - $series having configuration $[Xe]4{s^9}6{s^2}$. However the remaining members belong to $5f - $series (actinides).
(d)Terbium is lanthanide as it belongs to $4f - $series having configuration $[Xe]4{s^9}6{s^2}$. However the remaining members belong to $5f - $series (actinides).
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