matter in which all atoms are alike.
either an element or a compounds
mixture in which diffrent materials can be distinguished.
is a heterogeneous mixture that, like a solution, never settles.
is a heterogeneous mixture containing a liquid in which visible particles settle.
is any characteristic of a material that can observe withouht changing the substances that make up the material.
matter is neither created nor destroyed during a chemical change
Define law of conservation of mass