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8SC classify matter

TermDefinition
pure substance a substance made of only one type of particle; cannot be broken down physically
element pure substance made of only one kind of atom
compound substance made of two or more elements that are chemically combined(bonded)
atom smallest particle of an element
molecule smallest particle of a compound; made of two or more bonded atoms
mixture combination of two or more substances that are not chemically combined
heterogeneous mixture mixture in which the different materials can be easily distinguished
colloid heterogeneous mixture whose particles never settle
Tyndall Effect scattering of a light beam as it passes through a colloid
suspension heterogeneous mixture -large particles that settle out and separate into layers over time
homogeneous mixture mixture that is uniform in composition; components are evenly distributed and not easily distinguished
solution another name for homogeneous mixture
physical property a characteristic substance that does not involve a chemical change.Ex. melting,/boiling point, solubility, density, color, or hardness
ductile term used to describe the physical property of a material that can be pulled out into a long wire
malleable term used to describe physical property of a material that can be shaped, hammered, or dented
chemical property property of matter that describes a substance's ability to participate in chemical reactions
physical change change in a substance that does not change its identity; no chemical reaction occurs
chemical change change that occurs in which one or more substances change into entirely new substances with different properties
law of conservation of matter principle that the total amount of matter is constant during any physical or chemical change (matter is neither created of destroyed during these types of changes); the total amount of mass is equal before and after the reaction
flammability ability to burn - chemical property
Created by: cynthia_ritter