If the principal quantum number n = 6, the correct sequence of filling of electrons will be:

JEE Main 2015 Chemistry question

Chemistry Structure of Atom JEE Main 2015

If the principal quantum number , the correct sequence of filling of electrons will be:

(1)
(2)
(3)
(4)Correct

Answer: (4)

Solution

Orbitals fill in order of increasing , and for equal in order of increasing . With the candidates are , , and . So fills first; then among the three with , the smallest goes

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Question ID VK-115255