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7Sci CH14

7th Science CH14 Gasses, Atoms and Molecules

TermDefinition
atom smallest particle of an element
atomic theory of matter theory that all matter consists of atoms, all atoms of an element are identical, differing elements have different atoms, and atoms maintain their properties in chemical reactions
Boyle’s law explains the relationship between pressure and the volume of a gas; states the the volume of a certain amount of gas is inversely proportional to the pressure, if the temperature remains constant
Charles’s law explains the relationship between temperature and the volume of a gas; states that gases increase or decrease their volume as the temperature rises and falls, provided pressure and amount of gas are held constant