PCl3O is composed of 1 atom of phosphorus (P), 3 chlorine (Cl) atoms, and 1 oxygen (O) atom. PCl3O is called. Phosphoruschloride oxide.
Chemical Formula is not a chemical name. It is a way of showing details or information about the proportion of atoms that compose a certain chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as dashes, parentheses, commas, plus (+) and minus (-). Other examples of chemical formula: Glucose is C6H12O6