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symbo symbo
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8 years ago
The specific colors of light emitted by an atom in a hot, thin gas (e.g., in a neon tube, a fluorescent bulb, or a gas cloud in space) are caused by
A)   an electron dropping into the nucleus, producing small nuclear changes.
B)   electrons jumping to lower energy levels, losing energy as they do so.
C)   protons jumping from level to level.
D)   the vibrations of the electrons within the atom.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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8 years ago
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