Matter

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Across
  1. 3. The bond between 2 atoms that are connected
  2. 5. Composed of an element or compound
  3. 9. Made of a group of the same type of atoms
  4. 10. A group of atoms bonded together
Down
  1. 1. A substance that is not chemically bonded
  2. 2. Building block of matter
  3. 4. May be observed separately
  4. 6. Cannot be observed separately
  5. 7. A substance made of 2 or more elements
  6. 8. Takes up mass and space