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Question: Answered & Verified by Expert
Which of the following statements is not correct about the electronic configuration of gaseous chromium atom
Chemistryd and f Block ElementsNEET
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
Solution:
2788 Upvotes Verified Answer
The correct answer is: It has 6 electrons in 3d orbital
Chromium has atomic number of 24 , its electronic configuration is 1s22s22p63s23d54s1

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