9/18/2023 0 Comments Element cl and li![]() ![]() In general, the electrons in valence shells determine how the atom behaves in chemical reactions. The valence shell is the outermost electron shell of an atom. In other words, the farther the shell is from the nucleus, the larger it is, and the higher its average energy. 2.21 C).Īs the electron shells go from 1 to 7, they increase in size and average energy.
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