Select the word or phrase that complete each sentence (const…

Select the word or phrase that complete each sentence (constitutional isomers, diastereomers, enantiomers, meso compounds, higher, lower, reaction, addition, carbocation, carbanion, nucleophile, electrophile, elimination, heterolysis, homolysis, reagent, substitution, stronger, weaker, charge, concerted, two step, SN1, SN2, E1, E2,  racemization, hyperconjugation, alkyl halides, inversion):    Breaking a bond by equally dividing the electrons between the two atoms in a bond is called …………………… Complete word/phrase and correct spelling (verbatim) is required. No partial credit.  

Select the word or phrase that complete each sentence (const…

Select the word or phrase that complete each sentence (constitutional isomers, diastereomers, enantiomers, meso compounds, higher, lower, reaction, addition, carbocation, carbanion, nucleophile, electrophile, elimination, heterolysis, homolysis, reagent, substitution, stronger, weaker, charge, concerted, two step, SN1, SN2, E1, E2, racemization, hyperconjugation, alkyl halides, inversion):     Two