Question

What is the number of unpaired electrons in Mn at observed electronic configuration?

विकल्प

• 2

• 3

• 4

• 5

Answer 1

5

Explanation:

Manganese (Mn, Z = 25): [Ar] 3d⁵ 4s²

Orbital notation of Mn:

Hence, the number of unpaired electrons is 5.