Write the noble-gas notation for the electron configuration of each of the following elements, and indicate the period and group in which each belongs. a. Mg b. $P$ c. Sc d. $Y$
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Mg: [Ne] 3s² b. P: [Ne] 3s² 3p³ c. Sc: [Ar] 3d¹ 4s² d. Y: [Kr] 4d¹ 5s² ** Show more…
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