D And F Block Elements Question 225
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 2 and 3
C) It has 6 electrons in the $ 3d $ orbital
D) Its valence electrons have quantum number $ ’l’ $ 0 and 1
Show Answer
Answer:
Correct Answer: C
Solution:
It has 6 electrons in the $ 3d $ orbital.
BETA
