According to the valence bond theory, a triple bond in C2H2 consists of: A. 1.5 sigma bonds and 1.5 pi bonds B. two sigma bonds and one pi bond C. one sigma bond and two pi bonds D. three sigma bonds E. three pi bonds

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explanation:

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

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