Question

4 multiple choice 1 point covalent compounds are usually composed of positive and negative ions. composed of two or more transition elements. composed of two or more nonmetallic elements. exceptions to the law of definite proportions.

Explanation:

Covalent compounds form when non - metallic elements share electrons. They are not made of positive and negative ions (ionic compounds are), not usually composed of transition elements, and are not exceptions to the law of definite proportions.

Answer:

C. composed of two or more nonmetallic elements