Vocabulary

a substance that cannot be broken down into simpler substances

the smallest particle of an element

a substance that is made from two or more simpler substances and can be broken down into those simpler substances

a type of mixture in which the parts of the mixture are noticeably different from one another

a type of mixture in which the substances are so evenly distributed that it is difficult to distinguish one substance in the mixture from another

a mixture that forms when substances dissolve and form a homogeneous mixture

a heterogeneous mixture that separates into layers over time

a mixture that contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension

any characteristic of a material that can be observed or measure without changing the composition of the substances in the material

the tendency of a liquid to keep from flowing; resistance to flowing

a material’s ability to allow heat or electric charges to flow

the ability of a solid to be hammered without shattering

the temperature at which a substance changes from solid to liquid

the temperature at which a substance boils; the temperature at which vapor pressure is equal to atmosphere pressure

a process that separates materials based on the size of their particles

a process that separates the substances in a solution based on their boiling point

matter that always has exactly the same composition; an element or compound

any property that produces a change in the composition of matter

a material’s ability to burn in the presence of oxygen

the property that describes how readily a substance combines chemically with other substances

change that occurs when a substance reacts and forms one or more new substances

a solid that forms and separates from a liquid mixture