Question

Which statement correctly describes whether a compound is a pure substance? 

A compound is not a pure substance because each of its molecules is made up of the atoms of two or more different elements.

A compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means.

A compound is not a pure substance because it is not an element, and only elements are pure substances.

A compound is a pure substance because it consists of two different elements, which are pure substances.

Answer 1

A compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means.

Step-by-step explanation:

Answer 2

A compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means.