Matter

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Across
  1. 2. the most energetic state of matter
  2. 5. subatomic particle with a positive charge
  3. 6. the substance that does the dissolving
  4. 10. a property that explains reactivity
  5. 12. a separation that involves boiling and condensing
  6. 13. K
  7. 15. the charge of an electron
  8. 16. the first person to make a periodic table
  9. 18. Na
  10. 19. Co
Down
  1. 1. Ag
  2. 3. different numbers of neutrons in the same element
  3. 4. Au
  4. 5. a property that explains color, odor, and density
  5. 7. the substance that gets dissolved
  6. 8. a physical combination of 2 or more compounds or elements
  7. 9. anything that has volume and mass
  8. 10. a chemical combination of 2 or more elements
  9. 11. the mixture is the same throughout
  10. 14. the state of matter with the least energy
  11. 17. a pure substance that cannot be broken down into smaller parts