Select the best word or phrase that completes each sentence:…

Select the best word or phrase that completes each sentence: (carbocation, carbanion, SN1, SN2, E1, E2, syn, anti, less, cis, trans, E, Z, more, nucleophiles, electrophiles, hyperconjugation, diastereomers, alkyl halides, 1,2-hydride, 1,2-alkyl, inversion, epoxides, ethers, alcohols, phenols, thiols, enols, elimination, nucleophilic substitution, addition, alkanes, alkenes, Markovnikov’s, Hammond’s, Zaitzev’s).    Halogenation and halohydrin formation occur with………………………. addition.    Complete word/phrase and correct spelling (verbatim) is required. No partial credit.