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Atomic Structure/Energy Levels

Questions (2)

Which of following statements correctly describes energy levels?A. Electrons can never move to a higher or lower energy level.
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2. asked by Yui
3. 890 views
The energies, E, for the first few states of an unknown element are shown here in arbitrary units:n= 1, E=-96 n=2, E=-45 n=3,
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2. asked by Billy
3. 739 views