How many energy levels contain electrons in an atom of zirconium (Zr)?The Periodic TableA.NineB.TwoC.FourD.FiveSUBMITarrow_backPREVIOUS
Question
How many energy levels contain electrons in an atom of zirconium (Zr)?The Periodic TableA.NineB.TwoC.FourD.FiveSUBMITarrow_backPREVIOUS
Solution
Zirconium (Zr) is in the 4th period of the periodic table. The period number of an element corresponds to the highest energy level that contains electrons. Therefore, an atom of Zirconium has four energy levels that contain electrons. So, the answer is C. Four.
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