__ Electrons in atoms at energy levels (energy levels or shell) is an amount of energy. Those electrons near the nucleus, most will have less power than they are farther. The more distant the more power you have, the more extreme by the main energy levels, which is recognized as a full loop n n is 1, 2, ..., or the letters lined as follows: K, L, M, a is N, O, P, Q out of outage. When n = 1 is the lowest energy level means it requires more power to bring an electron from an atom. The number of electrons in each level will contain the main power must be equal to or not exceeding the number of electrons in the outer level 2n2, and most must be within 8 e.g.
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