What kind of bonds are found in the molecules described in the reaction between NH3 and F2?

In the reaction between ammonia (NH3) and fluorine (F2), the types of bonds present are primarily single bonds. Ammonia consists of single covalent bonds between the nitrogen atom and the three hydrogen atoms. When ammonia reacts with fluorine, it can form molecules such as nitrogen trifluoride (NF3) and HF (hydrofluoric acid), which also consist of single bonds between the nitrogen and fluorine atoms and between hydrogen and fluorine.

Fluorine, as a diatomic molecule, has a single bond between its two fluorine atoms. When discussing bond types in this reaction, it's important to recognize that both reactants and the resulting products involve single bonds. Therefore, characterizing the bonds found in these molecules properly identifies them as single bonds, making this the correct choice.

This consideration of bond formation and the chemical nature of the involved species helps solidify the understanding that single bonds are indeed the dominant bond type in the reaction described.