Connors Science Crossword

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Across
  1. 3. 2 or more chemically combined substances
  2. 5. Pure substances that cannot be broken down
  3. 6. smallest unit of matter
  4. 7. evenly distributed.
  5. 9. Negatively charged.
  6. 10. positively charged.
  7. 11. Homogenous mixture with a particle size of around 0.01-1 nmColloid Heterogenous mixutre with a particle size of around 1-100 nm
  8. 12. The place where you find all the elements.
  9. 14. unevenly distributed.
  10. 16. Heterogenous mixture in which one substance normally sinks to the bottom of the container
Down
  1. 1. 2 or more non chemically combined substances
  2. 2. no charge
  3. 4. Number representing number of P and E in an atom
  4. 8. Also known as the atomic weight.
  5. 11. 1st state of matter
  6. 13. 2nd state of matter
  7. 15. 3rd state of matter