chemistry 2022C

12345678910111213
Across
  1. 2. pure substances have two or more elements
  2. 6. the oxidation state of an element is decreased
  3. 7. Mr president of America
  4. 9. soluble base
  5. 10. mix up evenly by random movement
  6. 11. speed up of a reaction
  7. 12. sleepy boy
  8. 13. ionic compounds
Down
  1. 1. waste stuff
  2. 3. insoluble formed by mixing two solutions
  3. 4. mass divided by volume
  4. 5. turn from gas to solid directly
  5. 7. sweet Girl
  6. 8. a word when food goes bad