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16 Cards in this Set

  • Front
  • Back
Atom
Small matter
Molecules or Compounds
Two or more different atoms that have combined.
Matter
What things are made of, matter takes up space.
States of matter
Solid, Liquid and Gas
Cohesion
force that binds (holds) atoms together solid - strong, liquid medium, gas weak
molecules are made of
atoms
compounds are made when different atoms
combine
molecuels of a ___________
spread rapidly to fill up a room
gas
molecules of a _______ do not move much.
solid
molecules of a _______ take the shape of the container
liquid
Atomic symbol is ?
Shortcut for the name of the atom using one or two letters.
Periodic Table
a table in which atoms are arranged by atomic number
Atomic number
the number of protons in an atom.
Atomic weight
Atoms weigh something too! This is a measurement from a tiny atomic scale.
Elements are created by combining same or different atoms
different
atoms are made up of 3 types of particles
protons, neutrons, electrons