Chemistry, 27.08.2019 23:00, emily200705

Which change occurs when an atom in an excited
state returns to the ground state?
(1) energy is emitted.
(2) energy is absorbed.
(3) the number of electrons decreases.
(4) the number of electrons increases.

Answers: 2

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Which change occurs when an atom in an excited
state returns to the ground state?
(1) e...