Chemistry Terms

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Across
  1. 1. Mass / Numbers on the PT that show average mass of atom
  2. 4. / Neutral Subatomic particle in nucleus of atom
  3. 6. / smallest particle of matter
  4. 7. Number / Total of protons and neutrons
  5. 9. / State of matter with increased energy and has no shape
Down
  1. 2. / Anything that has mass and volume
  2. 3. / The measure of the amount of space an object occupies
  3. 5. / State of matter with high energy that spreads out in container
  4. 8. / State of matter with low energy that holds it's shape