chemistry final crossword

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Across
  1. 2. measure of how fast something moves in a particular direction
  2. 5. process in which energy is emitted as particles or waves
  3. 8. very small particle that exists in the nucleus of every atom and has a positive charge
  4. 10. the variable that is changed in a scientific experiment
  5. 14. has definite volume but no shape of its own
  6. 15. when two nuclei are​ joined​ into a larger nucleus
  7. 19. the amount of space between two things
  8. 21. action which is influenced by other actions
  9. 23. particle made up of two or more atoms that are chemically bonded together
  10. 25. matter which has a specific composition and specific properties
Down
  1. 1. differences among individual outputs of a process
  2. 3. when a positively charged ion forms a bond with a negatively charged ion
  3. 4. is any factor that can be controlled in an experiment
  4. 6. a negatively charged subatomic particle
  5. 7. measures how widely spread data points are
  6. 9. quantitive measure of how hot or cold something is
  7. 11. substance that is made entirely from one type of atom
  8. 12. any compound that has stored energy
  9. 13. measure of amount of matter in an object
  10. 16. force of attraction between two atoms
  11. 17. When you are going as fast as you can
  12. 18. process in which a large nucleus splits into two smaller nuclei with the release of energy.
  13. 20. the galaxy that contains our solar system
  14. 22. way of measuring how quickly something is moving
  15. 24. the amount of anything per unit volume