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limeswan13Lv1
6 Oct 2020
The energy of a photon of visible light emitted by an excited atom is the energy change that takes place within the atom itself.
What is an excited atom?
The energy of a photon of visible light emitted by an excited atom is the energy change that takes place within the atom itself.
What is an excited atom?
Angelli OcampoLv7
15 Nov 2020