With regard to Lewis structures, what is the importance of the octet rule? A. Orbitals fill one electron at a time.
B. All elements contain eight electrons at all times.
C. Elements with less than eight valence electrons are reactive.
D. No more than two electrons can share an orbital.

Explanation:

Lewis formulated the "octet rule" in his cubical atom theory. The octet rule refers to the tendency of atoms to prefer to have eight electrons in the valence shell. When atoms have fewer than eight electrons, they tend to react and form more stable compounds. Atoms will react to get in the most stable state possible.

c. is the answer

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