Number of electron(s) in a 3d orbital of Cr atom is
Question
Number of electron(s) in a 3d orbital of Cr atom is
Solution
The chromium atom (Cr) has 24 electrons in total. The electron configuration of a neutral (uncharged) chromium atom is [Ar] 4s1 3d5. This means that after the 18 electrons of the Argon core, there is one electron in the 4s orbital and five electrons in the 3d orbital. Therefore, the number of electrons in a 3d orbital of a Cr atom is 5.
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