Question

what is meant by energy levels of an atom?​

Answer 1

Answer:

: one of the stable states of constant energy that may be assumed by a physical system —used especially of the quantum states of electrons in atoms and of nuclei. — called also energy state.

Answer 2

Answer:

the strength and vitality required for sustained physical or mental activity.

"changes in the levels of vitamins can affect energy and well-being"

Explanation:

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