As an electron in an atom moves from a higher energy state to a lower energy state, the atom

January 2020 NY Regents Chemistry Exam

2 As an electron in an atom moves from a higher energy state to a lower energy state, the atom
(1) becomes a negative ion

(2) becomes a positive ion

(3) releases energy
(4) absorbs energy

Solution: When an electron in an atom moved from higher energy (excited state) to lower energy state, the atom releases energy.

Answer: 3

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