Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 32 - Think and Explain: 26


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The energy levels of atoms are unique to atoms of that element. This means that absorbed and emitted spectral lines, which depend on the spacing of energy levels, are characteristic of each element, much as fingerprints are unique to individuals.
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