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Q 3102780638.     The quantized energy of an electron in hydrogen
atom for the nth level is given by `E_n = - ( 1.312)/n^2 xx 10^6 J mol^(-1)`.
Calculate the energy required to remove the electron completely from
an excited hydrogen atom when its quantized
level, n is `3. (N_A = 6.02 xx 10^(23) mol^(-1) )`.
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)