which statement correctly describes why a compound is a pure substance? a compound is not a pure substance…

which statement correctly describes why 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.

which statement correctly describes why 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

Brief Explanations:

A pure - substance has a definite and constant composition. A compound is a pure substance because its molecules are chemically bonded and cannot be separated into simpler particles by physical means like filtration, evaporation etc. Chemical means are required to break down a compound into its constituent elements.

Answer:

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