Chemistry Lab

12345678910111213141516171819202122
Across
  1. 3. change of state from a solid to a liquid
  2. 6. speeds up a chemical reaction
  3. 8. brittle element that does not conduct electricity
  4. 10. chemical change that happens when oxygen reacts with a metal
  5. 11. combination of two or more elements in a specific ratio
  6. 12. group of atoms
  7. 13. an experiment where materials can escape
  8. 15. number of protons
  9. 17. when at least one metal and one non-metal are combined
  10. 20. group 1
  11. 21. negatively charged particle
Down
  1. 1. shiny element that conducts electricity
  2. 2. amount of mass in a given volume
  3. 4. element that has both metallic and non-metallic properties
  4. 5. anything that has mass and occupies space
  5. 6. when all materials in an experiment are accounted for
  6. 7. vertical column in the table of elements
  7. 9. ability of a substance to conduct electricity or heat
  8. 10. combination of symbols that represent a compound
  9. 14. catalyst involved in chemical reactions in living things
  10. 16. group 18
  11. 18. positively charged centre of an atom
  12. 19. group 17
  13. 20. mass of one atom of an element calculated from the total number of protons
  14. 22. cloudy mixture