Chemistry

123456789101112131415
Across
  1. 2. Replacement : when two elements in two different compounds switch places
  2. 5. : when a compound breaks down into more elements
  3. 8. : small things that make up our universe
  4. 11. Replacement : when one more reactive element replaces another in a compound
  5. 12. : Very light gas that is in our air
  6. 13. : positive charged atom
  7. 14. : negatively charged atom
  8. 15. : solid but used in many foods
Down
  1. 1. Number : 6.02 x 10^35
  2. 3. : a process to figure out things like Mass of A to Mass of B
  3. 4. : a compound breaking down
  4. 6. : the major component of our air
  5. 7. : a process plants undergo
  6. 9. : used in balloons
  7. 10. : odorless fatal chemical that is used in salt