Q.
Which of the following statements is not correct about the electronic configuration of gaseous chromium atom
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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 and2
answer is C.
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Detailed Solution
It has 5 electrons in 3d orbital.
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