Respuesta :

StefaniaPredescu
The original sample was an compound, as an element would simply just not break down as it’s composed by itself.
dwinnie

Answer:

element

Explanation:

Matter can be broken down into two categories: pure substances and mixtures. Pure substances are further broken down into elements and compounds. A chemical substance is composed of one type of atom or molecule. A mixture is composed of different types of atoms or molecules that are not chemically bonded.