JEE Main Chemistry question

Chemistry Classification of Elements and Periodicity in Properties JEE Main

An element belongs to group 15 and the third period of the periodic table. Its electronic configuration will be [WB-JEE 2011]

(A)
(B)
(C)Correct
(D)

Answer: (C)

Solution

Third period, group 15 is phosphorus (Z = 15), whose electron configuration is — three

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Question ID VK-145648