Grade 11 Chemistry

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Across
  1. 3. Gas humans breathe in that plants release
  2. 6. Uniform mixture of two or more substances
  3. 9. Tool used to measure temperature
  4. 11. Process that separates liquids by boiling points
  5. 14. Scientist who organized the periodic table
  6. 16. Technique to determine concentration using a standard solution
  7. 18. Element with the chemical symbol Na
  8. 19. Starting substance in a chemical reaction
  9. 20. Smallest unit of matter
  10. 21. Two or more atoms bonded together
Down
  1. 1. Dye that changes color in acids/bases
  2. 2. Color of universal indicator in a neutral solution
  3. 4. Negatively charged subatomic particle
  4. 5. Substance that speeds up a reaction but isn’t used up
  5. 7. Solid changing directly to gas
  6. 8. Lightest element; part of water and many compounds
  7. 10. Process that absorbs heat from surroundings
  8. 12. Metal that rusts easily when exposed to air and water
  9. 13. Gas used in balloons because it’s lighter than air
  10. 15. Change of liquid to gas at the surface
  11. 17. tube Small cylindrical glass container used in labs