If a solid line represents a covalent bond and a dotted line represents intermolecular attraction, which of these choices shows a hydrogen bond?
-o, h-c-
-n, h-o-
-c, h-f-
h-h

The correct answer among the choices listed above is the second option. The compound -N...H-O- would show a hydrogen bond. Hydrogen bond is present between the hydrogen atom and the nitrogen atom. It is the a result of the electromagnetic attraction between a hydrogen atom and a electronegative element.

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.