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Chapter 3

QuestionAnswer
Matter Everything that bass mass and takes up space
Element The ingredients that make up all other substances. Cant be broken into other substances.
Metals Good conductors of electricity and heat. Can bend without breaking Most have a gray and shinny look.
nonmetals Do not conduct heat/electricity very well. May be a gas or a solid
semimetals sometimes like metals and sometimes like nonmetals
Atom The smallest part of an element that still acts like an element
Atomic theory states that everything is made of atoms
compound a type of matter made of two or more elements
molecule smallest particle of a compound that still acts like that compound
protons positive charge. found in the nucleus
neutrons No charge. Found in the nucleus
Electron Negative charge. orbits the nucleus
Solid Has a definite shape and volume. Particles close to get her, never move past each other. Keeps shape
Liquid Definite volume but no shape, particles can move past each other. take shape of container
gas No definite shape or volume. particles spread out evenly and take shape of container. can be squeezed into smaller volume.
plasma Like a gas, but conducts electricity like a metal. Occurs with high voltage or temperature.
Melting Point When solid to liquid or liquid to solid. same temp as freezing point.
Evaporation When liquid becomes gas.
condensation When gas becomes liquid. gas particles touch a cold surface and the temp drops.
Created by: Jack-Singer
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