ammonia (a nitrogenous gas) is an example of a(n) bond. covalent hydrogen ionic metallic

Brief Explanations:

Ammonia ($NH_3$) is composed of nitrogen and hydrogen atoms. Nitrogen and hydrogen are non - metals. Non - metals share electrons to form covalent bonds. Hydrogen bond is an intermolecular force, not a bond within the molecule. Ionic bonds form between metals and non - metals, and metallic bonds are in metals. So ammonia has covalent bonds.

Answer:

covalent