Which element has 3 valence electrons in the 4d sublevel?The Periodic TableA.CuB.NbC.VD.TlSUBMITarrow_backPREVIOUS
Question
Solution 1
The element with 3 valence electrons in the 4d sublevel is Nb (Niobium). Here's why:
The electron configuration of Niobium (Nb) is [Kr] 5s1 4d4.
The 4d sublevel is part of the valence shell (the outermost shell) in this case, and it has 4 electrons.
However, the 5s sublevel also contrib Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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