Which of the following is true for the theoretical yield of a reaction? (1 point) a it is always calculated as a ratio. b it is the yield from the excess reactant. c it is the yield from the limiting reactant. d it is always twice the value of the actual yield.

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.

that's it!

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