D-And F-Block Elements Ques 369

Question: Which of the following statements is not correct about the electronic configuration of gaseous chromium atom

[MP PET 1994]

Options:

A) It has 5 electrons in $ 3d $ and one electron in $ 4s $ orbitals

B) The principal quantum numbers of its valence electrons are 3 and 4

C) It has 6 electrons in $ 3d $ orbital

D) Its valance electrons have quantum number $ ’l’ $ 0 and 2

Show Answer

Answer:

Correct Answer: C

Solution:

It has 6 electrons in $ 3d $ orbital.



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