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.
Energy levels (also called electron shells) are fixed distances from the nucleus of an atom where electrons may be found. Electrons are tiny, negatively charged particles in an atom that move around the positive nucleus at the center. Energy levels are a little like the steps of a staircase.
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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.
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Energy levels (also called electron shells) are fixed distances from the nucleus of an atom where electrons may be found. Electrons are tiny, negatively charged particles in an atom that move around the positive nucleus at the center. Energy levels are a little like the steps of a staircase.