Answer to Question #161661 in General Chemistry for sarah

General Chemistry

Question #161661

Calculate the energy of an electron in the n = 7 level of a hydrogen atom.

Expert's answer

E = "\\frac{13.6}{n^2}" × eV

E = energy , n = 7 , eV = 1.6×10^-19

E = "\\frac{13.6}{7^2}" × 1.6×10^-19J

E = "\\frac{13.6}{49}" × 1.6×10^-19J

E = 0.444×10^-19J

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