Science Crossword

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Across
  1. 2. If a non-metal and a metal combined
  2. 6. When chemicals mix to make something happen
  3. 7. Shiny luster
  4. 8. atoms vibrate together
Down
  1. 1. separated
  2. 3. Atoms wonder around
  3. 4. mixed
  4. 5. atoms Move away from each other