Behind the Lines—The Magnificent Energy Level Structure of an Atom
Out in the ‘wild’ a free electron can do what it wants and have any amount of energy that it wants. Within an atom though, things are very different; like a guy sent to jail, the electron faces a tough regime governed by set rules which restrict freedom of movement; though just as is sometimes the case with a prison, electrons can and do escape.
KeywordsEnergy Level Quantum Number Valence Electron Stable Orbit Principal Quantum Number
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