1. As an electron in an atom moves from a higher energy state to a lower energy state, the atom (A) becomes a negative ion
(C) releases energy
(B) becomes a positive ion
(D) absorbs energy

(C) releases energy

From Bohr's model of the atom:

We can understand the energy transitions involved when an electron moves from one energy level to another.

Therefore, option C is correct.

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(C) releases energy

Explanation:

From Bohr's model of the atom, we can understand the energy transitions involved when an electron moves from one energy level to another.

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