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ArkGoLucky
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Why did "d" orbitals start at "3d" instead of "4d"?
 one year ago
 one year ago
ArkGoLucky Group Title
Why did "d" orbitals start at "3d" instead of "4d"?
 one year ago
 one year ago

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moongazer Group TitleBest ResponseYou've already chosen the best response.0
I think it is because of their energy level
 one year ago

ArkGoLucky Group TitleBest ResponseYou've already chosen the best response.0
I mean before 3d is 4s so why not 4d?
 one year ago

shubham.bagrecha Group TitleBest ResponseYou've already chosen the best response.1
electrons are filled in increasing order of energies, in accordance to the aufbau principle. According to it the filling of electron is governed by "n+l" rule and "n" rule. for 3d orbital, n+l = 3+2 = 5 for 4s orbital, n+l = 4+0 = 4 since the n+l value of 4s is less than that of 3d , 4s is filled first. See the atttachment for order of filling electrons.
 one year ago
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