6 multiple choice 3 points something that is only made of one kind of atom or molecule is called a what…

6 multiple choice 3 points something that is only made of one kind of atom or molecule is called a what? homogeneous mixture heterogeneous mixture pure substance solution
Answer
Brief Explanations:
A pure substance is made up of only one kind of atom (in the case of an element) or one kind of molecule (in the case of a compound). Homogeneous and heterogeneous mixtures contain multiple substances, and a solution is a type of homogeneous mixture.
Answer:
C. Pure Substance