• Unexcited hydrogen atoms are bombarded with electrons that have been accelerated through 12.5 V.
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• a)  What is the highest energy level that the hydrogen atoms will be excited to?
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• b) When the electron of the hydrogen atom is excited into the level in part a), what wavelength(s) is (are) possible for the photon emitted when the electron drops to a lower energy level? [Answer in 3 significant figures]

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a To determine the highest energy level to which hydrogen atoms will be excited when bombarded with ... View the full answer