The Nature of Matter

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Across
  1. 2. substance that dissolved
  2. 3. atoms joined together
  3. 6. combination of two or more elements
  4. 9. compound that produces hydroxide
  5. 11. material composed of two or more elements
  6. 12. strong forces bind protons and neutrons
  7. 14. smaller units
  8. 15. mixture of water and some non-dissolved material
  9. 17. smallest fragment of any substance
  10. 18. any compound releases H+ ions
Down
  1. 1. pure substance
  2. 2. substance solute dissolves
  3. 4. atoms of the same element
  4. 5. joined by smaller units
  5. 7. molecules of different stance
  6. 8. weak acids
  7. 10. only 1/1840 mass of a proton
  8. 13. molecules of the same stance
  9. 15. ions gradually becoming dispersed in water
  10. 16. positive and negative charged atoms