Science glossary film: Energy level

Energy level

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Electrons within atoms are arranged in specific energy states, called energy levels.

Electrons within atoms are arranged in specific energy states, called energy levels. Electrons can move from one energy level to another, but cannot exist in an in-between energy state. The innermost shells closest to the nucleus have the lowest energy level, and as electron shells become further from the nucleus their energy level increases.

Electrons can move from one energy level to another, but cannot exist in an in-between energy state. The innermost shells closest to the nucleus have the lowest energy level, and as electron shells become further from the nucleus their energy level increases.

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