Science

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Across
  1. 2. invisible mixture
  2. 5. a bunch of atoms linked together
  3. 8. houses the 118 elements
  4. 9. periodic table
  5. 10. chemical formula for water
Down
  1. 1. visible mixture
  2. 3. has mass and takes up space
  3. 4. two or more elements mixed
  4. 6. different substances mixed together
  5. 7. very small piece of matter