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chapter3

TermDefinition
matter Everything that has mass and takes upspace
element The ingredients that make up all other substances. Can't be broken down into other subtances
metals good conductors of electricity and heat. Can bend without breaking. Most have a gray color
nonmetals Do not conduct heat/ electricity very well. May be a gas or a solid
Semi-metals Sometimes like metals and sometimes like nonmetals
atom The smallest part of an element that still acts like that element
Atomic therory States that everything is made of atoms
compound A type of matter made of two or more elements
molecule Smallest particule,of a compound that still acts like that compound
proton Positive charge, found in nucles
neutron No charge , found in nucles
electron Negative charge, orbits charge the nulcles
solid Has definite volume or shape particles are very close together , and don't move past each other
liquid Has definite volume but no shape particles can move past each other. Takes shape of container
gas No definite volume or shape . particles spread at evenly and take shape of container . can be squeezed into smaller volume
plasma Like gas , but conducts electricity like a metal . occurs with a high temps or electric charge
Melting point Solid to liquid or liquid to solid . same temperature as a freezing point
evaporation When liquids become a gas
condensation When gas becomes a liquid . gas particles touch a cold surface and the temperature drops
Boiling point The temperature at which evaporation occurs
mixture Two or substances that mix together but each keeps its own identity
solution A mixture where substance spreads out evenly and will not settle
solute The substance being dissolved
solvent What the substance is dissolved in
solubility A way to measure how much a material dissolves into another
Created by: carson-eads
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