Is a type of matter with a fixed compositioin.
Substance with atoms that are all alike.
Substance formed from two or more elements in which the exact combination and proportion of elements is always the same.
Mixture, Such as mixed nuts or a dry soup mix, in which different materials are unevenly disturbed and are easily identified.
Solid, liquid, or gas that contains two or more substances blended evenly throughout.
Homogeneous mixture that remains constantly and uniformly mixed and has particles that are so small they cannot be seen with a microscope.
Heterogeneous mixture whose particles never settle.
Scattering of a light beam as it passes through a colloid.
Heterogeneous mixture containing a liquid in which visible particles settle.
Any characteristic of a material, such as size or shape, that you can observe without changing the idenity of material.
Any change in size, shape, or state of matter in which the idenity of the substance remains the same.
Process that can seperate two substances in a mixture by evaporating a liquid and recondensing its vapor.
Any characteristic of a substance, such as flammability, that indicates whether it can undergo a certain chemical change.
Change of one substance into a new substance.
Law of Conversation of Mass
States that the mass of all substances present before a chemical change equals the mass of all the substances remaining after the change.