Which of the following statements are correct? (A) The electronic configuration of \(Cr\) is \([....

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Which of the following statements are correct?
(A) The electronic configuration of \(Cr\) is \([ Ar ] 3 d ^5 4 s ^1\).(B) The magnetic quantum number may have a negative value.(C) In the ground state of an atom, the orbitals are filled in order of their increasing energies.(D) The total number of nodes are given by ( \(n -2)\)
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