Chemistry Crossword

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Across
  1. 2. 99% of our universe
  2. 3. a single atom of a molocule
  3. 4. anything that has mass and takes up space
  4. 6. 1 of 4 fundamental state of matter
  5. 8. solute+solvent
  6. 9. the study of matter and how matter changes
Down
  1. 1. proteins,lipids,carbs&nucleic acids
  2. 2. positively charged particles
  3. 5. negatively charged particles
  4. 7. a physical property of matter(d=m/v)