Final answer:
In type III binary compounds, the less electronegative element is listed first in the compound name.
Step-by-step explanation:
Generally, in type III binary compounds, the less electronegative element is listed first in the compound name. The order of common nonmetals in binary compound formulas is C (carbon), P (phosphorus), N (nitrogen), H (hydrogen), S (sulfur), I (iodine), Br (bromine), Cl (chlorine), O (oxygen), F (fluorine).