The energy of the nth level in a one-electron atom is E_n = -13.6(Z²/n²)eV.Consider a beryllium ion with all but one of its electrons removed (a beryllium atom normally has four electrons).What is the wavelength of a photon emitted when the electron makes the transition from the third-lowest to the lowest energy state? A)1.03 $\times$ 10^-7 m B)2.03 $\times$ 10^-8 m C)6.43 $\times$ 10^-9 m D)5.71 $\times$ 10^-9 m E)1.03 $\times$ 10^-27 m

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The Answer of The energy of the nth level in a one-electron atom is E_n = -13.6(Z²/n²)eV.Consider a beryllium ion with all but one of its electrons removed (a beryllium atom normally has four electrons).What is the wavelength of a photon emitted when the electron makes the transition from the third-lowest to the lowest energy state? A)1.03 $\times$ 10^-7 m B)2.03 $\times$ 10^-8 m C)6.43 $\times$ 10^-9 m D)5.71 $\times$ 10^-9 m E)1.03 $\times$ 10^-27 m

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