the particles in a colloid will not settle. In this virtual lab, you will be classifying different types of matter as either pure substances or mixtures. If the matter sample is classified as a pure ...

cmpid=CMP00004903] So what is the the difference between a pure and impure substance? A pure substance has only one type of particles. It can be either an element or a compound. An impure substance is ...

Some substances, like particles of this iron ... they would be in clusters of two or more. A compound is a pure substance that is made from more than one element. In a compound, elements are ...