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Chemistry Vocab

TermDefinition
Atom the smallest particle of an element; made of electrons, protons, and neutrons
Collide To strike or hit something with any amount of force
Gas A form of matter with indefinited shape and volume
Inert Not chemically reactive; used to describe a substance
Liquid A state of matter with a definite volume but no definite shape
Matter Anything that has volume and mass
Molecule The simplest unit of a chemical compound that can exist; formed when two or more atoms join together chemically
Pressure Force exerted on matter through contact with other matter; affects melting and boiling points
Pure Substance A single substance, either an element or compound, with definite composition and properties
Solid A state of matter with definite volume and shape
States of Matter Distinct forms fo matter known in everyday experience; solid, liquid, and gas; also referred to as phases
Temperature Average kinetic energy of all the particles in a material; measured by a thermometer in degrees
Thermal Energy The total kinetic (motion) energy of the tiny particles that make up matter; the faster the particles move, the warmer the matter becomes
Vibrate To move rythmically and steadily; oscillate
Kinetic Energy Energy of motion
Created by: dkoss256
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