1.
element or compound that cannot be broken down into simpler components without losing the properties of the original substance.
2.
substance with atoms that are all alike.
3.
substance in which the atoms of two or more elements are combined in a fixed proportion.
4.
substance in which its different components are easily distinguished.
5.
heterogeneous mixture contains a liquid, and in which visible particles slowly settle due to gravity.
6.
heterogeneous mixture whose particles never settle.
7.
tendency for a beam of light to scatter as it passes through a colloid.
8.
substance containing two or more components that are blended uniformly so that individual components are indistinguishable with a microscope.
9.
homogeneous mixture remains constantly and uniformly mixed and has particles that are so small they cannot be seen with a microscope.
10.
any characteristic of a material such as size or shape, that can be observed without changing the identity of the material.
11.
any change in size, shape, or state of matter in which the identity of the substance remains the same.
12.
process that can separate two substances in a mixture by evaporation a liquid and recondensing its vapor.
13.
any characteristic of a substance such as flammability, that can be observed that produces a new sunstance.
14.
change of one substance into a new substance.
15.
states that the mass of all substances present before a chemical change equals the mass of all the substances remaining after the change.
