An electron moves from one orbital to another only when it absorbs or emits energy.
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Q1: Atoms in an incandescent gas
A)emit all frequencies
Q2: Heisenberg's uncertainty principle says that you cannot
Q4: Einstein proposed that electrons on the surface
Q5: Protons and neutrons have about the same
Q6: J.J.Thomson reasoned that cathode rays were really
Q7: Protons are so much more massive than
Q8: The atomic number of an element is
Q9: Neutral atoms of a given element all
Q10: Robert Millikan discovered that
A)the charge to mass
Q11: Millikan found that all of the oil
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