Question

Determine the total number of electrons in the d orbitals of an atom of tin, Sn (Z = 50).

Answer 1

Answer:

Explanation:

Sn (Z = 50 )

Electronic configuration = [Kr] 4d¹⁰5s²5p²

= 1s²2s²p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p²

So , total number of electrons in d orbital = 10 + 10 = 20 .