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Chemistry 11 Online
OpenStudy (anonymous):

Which of the following is a reasonable ground-state electron configuration?

OpenStudy (anonymous):

OpenStudy (chmvijay):

LOL its 4 th one :)

OpenStudy (anonymous):

Gracias :b

OpenStudy (anonymous):

Care to explain though?

OpenStudy (chmvijay):

just go through he rules to write the electronic configuration ...

OpenStudy (jfraser):

it can't be the first one because the 2p isn't filled before filling the 3s it can't be the second one because there is no 1p orbital it can't be the third because the 3d has to fill after the 4s, not the 4d

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