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Chapter 10

Foundations of Chemistry

Matter Anything that has mass and takes up space.
Atom A small particle that is the building block of matter .
Substance Matter with a composition that is always the same.
Element A substance that consists of only one type of atom.
Compound A substance containing atoms of two or more different elements chemically bonded together .
Mixture Matter that can vary in composition.
Heterogeneous A mixture in which substances are not evenly mixed.
Homogeneous A mixture in which two or more substances are evenly mixed but not bonded together.
Dissolve To form a solution by mixing evenly.
Physical Property A characteristic of matter that you can observe or measure 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 maximum amount of solute that can dissolve in a given amount of solvent at a given temperature and pressure.
Physical Change A change in the size, shape, form, or state of matter that does not change the matter's identity.
Chemical Property The ability or inability of a substance to combine with or change into one or more new substances.
Chemical Change A change of one or more substances into one or more other substances with different physical and chemical properties.
Concentration The amount of a particular solute in a given amount of solution.
Created by: s2004044