Chemistry Matter and Change

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Across
  1. 1. very high KE that when particles collide with enough energy to break into charged protons
  2. 4. process that releases energy into the surrounding
  3. 7. depends on the type of matter, not the amount present
  4. 9. high KE particles that can separate and move throughout the container
  5. 11. the study of the composition, structure, and the properties of matter and the changes it undergoes
  6. 13. a process that absorbs energy from its surroundings
  7. 14. substance that are found during the reaction
  8. 15. the smallest unit of an element that maintains the properties of that element
Down
  1. 2. very low KE particles vibrate but can't move around
  2. 3. not easily reversed
  3. 5. a solid that separates from solution in other words won't dissolve
  4. 6. low KE particles that can move around but are still close together
  5. 8. depends on the amount of matter in the sample
  6. 10. anything with mass that occupies space
  7. 12. beginning substances