Formaldehyde, ch2o, and acetic acid, c2h4o2, have the same empirical formula but different a. kinds of cations. c. kinds of atoms. b. kinds of anions. d. molecular formulas.

Aboy with an extra x chromosome probably has which of the following syndromes?

Read the sentence. “yesterday we arrived late for the outdoor concert in the city gardens.” which words in the sentence are adverbs? a. late; city b. yesterday; outdoor c. yesterday; late d. outdoor; city

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers