Which statement describes compounds? compounds are made of one type of atom. compounds cannot be represented by models. compounds are represented by chemical formulas. compounds cannot be broken down into simpler forms.

The correct answer is "Compounds are represented by chemical formulas. "

Explanation:

A chemical formula is a graphic expression of the elements that make up any chemical compound, as well as the numbers and proportions of their respective atoms.

That is, the chemical formulas are made up of chemical symbols that indicate the elements that make up a compound and the number of atoms that each element contributes contains the formula. The latter is indicated by a subscript, that is, a small number that is placed below and to the right of each element that requires it.

Then, the correct answer is "Compounds are represented by chemical formulas. "

it would be a gas formation