Chemistry Unit 5 Vocabulary

12345678910111213141516
Across
  1. 2. principle that matter is not created or destroyed
  2. 6. substance that speeds up a reaction without being used up
  3. 8. how easily a substance undergoes a chemical reaction
  4. 10. amount of substance in a given volume
  5. 11. reaction with oxygen that releases energy
  6. 12. reaction where one compound breaks into simpler substances
  7. 14. notation showing the types and numbers of atoms
  8. 16. reaction where substances combine into one product
Down
  1. 1. measure of average kinetic energy of particles
  2. 2. numbers placed in front of formulas in an equation
  3. 3. small numbers showing how many atoms are present
  4. 4. explanation of how reactions occur through particle collisions
  5. 5. energy of motion of particles
  6. 7. making an equation follow the law of conservation of mass
  7. 8. starting substances in a chemical reaction
  8. 9. substances formed in a chemical reaction
  9. 13. representation of a chemical reaction using symbols
  10. 15. amount of matter in an object