Classification of Elements and Periodicity in Properties

Classification of Elements and Periodicity in Properties

Question

The outer electron configuration of Gd (Atomic No : 64) is

  • 4f3 5d5 6s2

  • 4f8 5d0 6s2

  • 4f4 5d4 6s2

  • 4f7 5d1 6s2

Answer

D.

4f7 5d1 6s2

More Chapters from Classification of Elements and Periodicity in Properties