Question

Which of the following elements has six unpaired electrons in observed electronic configuration?

पर्याय

• Cu (Z = 29)

• Cr (Z = 24)

• Mn (Z = 25)

• Fe (Z = 26)

Answer 1

Cr (Z = 24)

Explanation:

₂₄Cr = 1s2 2s² 2p⁶ 3s² 3p⁶ 4s¹ 3d⁵