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matter
anything that has mass and takes up space
Freezing
changing from liquid to solid
Atom
smallest unit of matter.
Monomer
a single unit of a larger molecule
Density
how tightly packed molecules are
Solid
particles vibrate in place, packed tightly in a pattern; definite shape and volume
Evaporation
changing from liquid to gas
Molecule
multiple atoms bonded together
Polymer
many monomers joined together
Reactants
the molecules that start a chemical reaction
Liquid
particles move past one another; definite volume, but takes the shape of the container
Condensation
changing from gas to liquid
Element
type of atom
Subscript
the small number indicating the number of that atom in a chemical formula
Products
the resulting molecules from a chemical reaction
Gas
particles move freely, spreading far apart; no definite shape or volume
Sublimation
changing from solid to gas
Compound
a molecule made with different elements
Coefficient
the large number next to a chemical formula showing the number of molecules.
Synthetic
formed by putting natural materials through chemical reactions
Melting
changing from solid to liquid
Deposition
changing from gas to solid
Extended structure
a large combination of molecules in a repeating pattern
Temperature
the average kinetic energy of the molecules in a substance
Exothermic
a type of chemical reaction that releases heat