(Answered) The energy needed to ionize an atom ofnbspalnbspwhen it is

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The energy needed to ionize an atom of Al when it is in its most stable state is 577.6 kJ mol^-1. However, if an atom of Al is in a certain low-lying excited state, only 274.4kJ mol-¹ is needed to ionize it. What is the wavelength of the radiation emitted when an atom of Al undergoes a transition from this excited state to the ground state?

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