Answer:
Step-by-step explanation:
Sn (Z = 50 )
Electronic configuration = [Kr] 4d¹⁰5s²5p²
= 1s²2s²p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p²
So , total number of electrons in d orbital = 10 + 10 = 20 .
7.2m questions
9.7m answers