in a potassium atom electronic energy levels are
In a potassium atom, electronic energy levels are in the following order:
(1) 4s>3d
(2) 4s>4p
(3) 4s< 3d
(4) 4s<3p
Ans: 4s< 3d
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in a potassium atom electronic energy levels are in the following order1 4sgt3d
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