Meghna khadka Asked a Question
September 4, 2020 7:06 ampts 30 pts
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  • 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...
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    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
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    Dinesh khalmaniya
    any doubt?
  • Dinesh khalmaniya
    hope this will help you 🙏🙏
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  • 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...
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