Chemistry Crossword

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Across
  1. 4. : A reaction that releases heat energy to the surroundings
  2. 5. : Negatively charged particle that follows an orbit of a level around a nucleus
  3. 9. : An instrument used to measure temperature
  4. 11. : A measure of how hot or cold a substance is
  5. 12. : A state of matter that has a definite volume but no fixed shape
  6. 13. PARTICLE THEORY : The theory that all matter is made up of tiny particles
  7. 14. : A state of matter that has no fixed shape or volume
  8. 16. : Neutral particle found in the nucleus
  9. 19. : An instrument used to measure temperature
  10. 21. : A substance made up of two or more elements chemically combined in fixed proportions
  11. 22. : A combination of two or more substances
  12. 23. : A state of matter that has a fixed shape and volume
Down
  1. 1. : Process of liquid turning into gas
  2. 2. : Smallest unit of matter
  3. 3. of these particles determine the state of matter
  4. 6. :A substance that contains only one type of atom and cannot be broken down into anything simpler by chemical means.
  5. 7. are not chemically bonded and can be separated by physical means
  6. 8. : Rapid vaporization of a liquid
  7. 10. : Solid turning into liquid
  8. 15. : Positively charged particle in the nucleus
  9. 17. : Liquid turning into solid
  10. 18. are in constant motion and that the energy and
  11. 20. : Gas changing into liquid