Chemistry final crossword

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Across
  1. 1. of two or more substances that are together in the same place but are not chemically combined.
  2. 4. a definite volume but no shape of its own.
  3. 5. force of its outward push divided by the area of the walls of the container
  4. 8. substance made from a chemical reaction.
  5. 10. very small region located at the center of an tom.
  6. 11. that has mass and takes up space.
  7. 14. statement.
  8. 16. subatomic particle found in the nucleus of every atom except that of simple hydrogen.
  9. 20. of two or more atoms held together by chemical bonds.
  10. 21. basic unit of matter.
  11. 22. fluid that can change volume very easily.
  12. 23. found in the nucleus of the atom.
  13. 24. use of the senses to obtain information.
  14. 25. distinct type of molecular compound.
Down
  1. 2. egatively charged subatomic particle.
  2. 3. change from a liquid to a solid.
  3. 6. a definite shape and a definite volume.
  4. 7. to the closeness of measurements to the correct or accepted value of the quantity measured.
  5. 9. ability to do work or cause change.
  6. 12. of the averate energy of random motion of particles of matter.
  7. 13. change in state from a solid to a liquid.
  8. 15. that takes place only on the surface of a liquid.
  9. 17. measure of the amount of matter
  10. 18. substances that reacts in a chemical change
  11. 19. chemical reaction between a fuel and oxygen