Match the statement/question with the correct type of chemical formula. -1
A student uses the prefix di- to report the number of oxygen atoms in the name of a chemical formula. What type of compound is the student naming?

-2
A student uses parentheses with a roman numeral to report the charge when writing the name of an element in a chemical formula. What type of compound is the student naming?

-3
A student uses the ionic charges for a metal and nonmetal element to write the chemical formula. What type of compound is this?

-4
A group of atoms with a charge is found in the chemical formula. What type of chemical compound is this?

A.
binary ionic compound

B.
ionic compound with a polyatomic ion

C.
ionic compound with transition metal

D.
binary covalent compound