Atoms and Energy Practice
1. Light can be described by:
Energy.
Wavelength.
Frequency.
All of the above.
None of the above.
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2. True or false: Each shade of color has a different energy associated with it.
True.
False.
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3. True or false: Each element has a specific set of colors associated with it.
True.
False.
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4. True or false: Electrons reside in specific discrete energy levels.
True.
False.
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5. True or false: Electrons can move from one energy level to another within an atom.
True.
False.
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6. When electrons are excited to a higher engergy level:
They will stay there indefinitely.
They will eventually fall back down to the lower energy level.
They can't be excited.
All of the above.
None of the above.
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7. True or false: An electron needs exactly the amount of energy corresponding to the difference in energy levels in order to become excited.
True.
False.
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8. The solar system model:
Predicts the correct energy levels for all of the elements.
Is consistent with all observations.
Correctly models the energy levels for hydrogen.
All of the above.
None of the above.
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9. Energies of a single atom can produce:
A continuous spectrum.
A line spectrum.
All colors of the rainbow.
All of the above.
None of the above.
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10. True or false: The current model uses probabilities to determine where an electron is likely to be for a given energy state.
True.
False.
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