Question

The number of unpaired f-electrons in ytterbium (Z = 70) is ____________.

विकल्प

• 0

• 1

• 2

• 7

Answer 1

The number of unpaired f-electrons in ytterbium (Z = 70) is 0.

Explanation:

Electronic configuration of Yb (Z = 70): [Xe] 4f¹⁴ 6s²

No. of unpaired f-electrons = 0