Electrons in various sub shell are filled in increasing order of their – InterviewSolution

1.	Electrons in various sub shell are filled in increasing order of their energies. Pairing of electrons in various orbitals of a subshell takes place only after each orbital is half filled. Moreover no two electrons in an atom can have the same of four quantum numbers. Which of the following have the same number of s-electrons as the d- electrons in Fe^(2+)?
Answer» Li Na N P Answer :D

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