science

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Across
  1. 3. anything with mass or volume
  2. 5. Something that is 2 or more atoms or molecules combinded together
  3. 7. A repeating pattern of atoms or molecules
  4. 9. A pure substance made of one type of atom on the periodic table
  5. 10. A partical with a positive charge
Down
  1. 1. The smallest unit of measurement
  2. 2. A substance made of only one type of substance
  3. 4. something that is 2 or more atoms bonded together
  4. 6. it surrounds the nucleus
  5. 8. A partical with a neutral charge