Final answer:
COCl₂ is a molecule that is a covalent substance.
Step-by-step explanation:
COCl₂
a. The molecule is COCl₂.
b. The molecular formula for the molecule is COCl₂.
c. The molecule is a covalent substance. Covalent substances are formed when atoms share electrons to form bonds. In COCl₂, the atoms of carbon, oxygen, and chlorine share electrons to form covalent bonds.