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PS Chapter 7

Foundations of Chemistry

TermDefinition
Matter Anything that has mass and takes up space
Atom A small particle that is a building block of matter
Substance Matter with a composition that is always the same
Element A substance that consist of just one type of atom
Compound A type of substance containing items of two or more different elements chemically bonded together
Mixture Matter that can vary in composition
Heterogenous mixture A type of mixture in which the individual substances are not evenly mixed
Homogenous mixture A type of mixture in which the individual substances are evenly mixed
Dissolve To form a solution by mixing evenly
Physical property A characteristic of matter, that you can observed, or measured without changing the identity of the matter
Mass The amount of matter in an object
Density The mass per unit volume of a substance
Solubility The ability of one substance to dissolve in another
Physical change A change in size, shape, form, or state of matter, in which the matters identity stays the same
Chemical property A characteristic of matter that can be observed as it changes to a different type of matter
Chemical change A change in matter in which the substances that make up the matter change into other substances, with new physical and chemical properties
Concentration The amount of substance in a certain volume
Created by: Jergertigers
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