profile-img
Meghna khadka Asked a Question
September 4, 2020 7:06 ampts 30 pts
  • 1 Answer(s)
  • 0 Likes
  • 4 Comments
  • Shares
  • Priyanshu kumar thankyou
    Dear student, Filling of orbitals takes place by considering aufbau rule(n+l) ...The orbitals whose n+l value is smaller filled first.... Between 4s and 3d ...4s has n+l value=4+0...
    Show more
    Likes(0) Reply(2)
    Priyanshu kumar
    Means fillings of orbitals and removal of electrons are working for 4s and 3d in opposite manner...
  • Dinesh khalmaniya
    because 4s is outer most shell so attraction with nucleus less than 3d
    Likes(0) Reply(8)
    Dinesh khalmaniya
    any doubt?
  • Dinesh khalmaniya
    hope this will help you 🙏🙏
    Likes(0) Reply(0)
  • Dinesh khalmaniya
    As 4s orbitals have a lower energy than 3d orbitals, electrons are first filled in the 4s orbital and then in the 3d orbital. ... This is because the outer shell is maximum shielde...
    Show more
    Likes(0) Reply(0)