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Stumpf - Ch 15 Vocab

Chapter 15 Vocab words in Mr. Stumpfs class.

substance a type of matter with a fixed composition
element if all of the atoms in a substance have the same identity
compound a substance in which the atoms of two or more elements are combined in a fixed proportion
heterogenous mixture a mixture in which different materials can be easily distinguished
homogenous mixture contains two or more gases, liquids, or solid substances evenly blended throughout
colliod a type of mixture whose particles that are larger than those in solutions but no theavy enough to settle out
tyndall effect scattering of light by particles big enough (to be even able to scatter the light)
suspension a heterogenous mixture containing a liquid in which visible particles settle out
physical property any charictaristic of a material that you can observe without changing the identity of the substances that make up the material
physical change a change in size, shape, or state of matter
distillation the process for separating substances in a mixture by evaporating a liquid and recondensing its vapor
chemical property a characteristic of a substance that indicates whether it can undergo a certain chemical change
chemical change a change of one substance to another
law of conservation of mass the mass of all substances that are present beofre a chemical change equals the mass of all the substances that remain after the change
Created by: madipatty96