Which element is reduced in the following reaction: 2mg+o₂ → 2mgo if mg goes from 0 to +2 and o goes from 0 to -2?

mg and o

o

mg

neither element

Which statement best describes isomers? a. isomers are alcohols that have the same functional group. b. isomers have at least one carbon-carbon double bond. c. isomers have the same molecular formula but different structural properties.