Chemistry of Matter

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Across
  1. 2. Atoms are different from one another because of the number of these
  2. 6. A tool that can be used to separate magnetic substances from non-magnetic ones
  3. 7. A substance that cannot be broken down into a simpler substance
  4. 8. Anything that has mass and volume
  5. 10. The number of GROUPS in the Periodic Table
Down
  1. 1. when a gas turns to a liquid
  2. 3. The number of protons is equal to the number of these
  3. 4. Most elements in the Periodic Table are solids and these
  4. 5. The smallest most basic unit of matter
  5. 6. A group of atoms bonded together
  6. 9. A change in matter that can be un-done