Chemical Reactions and The Law of Conservation of Mass

123456789101112131415
Across
  1. 2. A chemical equation where the number of atoms is the same on both sides.
  2. 5. The starting materials in a chemical reaction.
  3. 8. The number placed in front of a compound in a chemical equation.
  4. 10. A reaction where one element replaces another in a compound.
  5. 11. A reaction that gives off heat.
  6. 12. A solid that forms and settles out in a chemical reaction.
  7. 13. A reaction that takes in heat.
  8. 14. A process where an element loses electrons.
  9. 15. The new substances formed after a chemical reaction.
Down
  1. 1. A reaction where parts of two compounds switch places.
  2. 3. Mass is never lost or gained in a chemical reaction.
  3. 4. A process where an element gains electrons.
  4. 6. A reaction where two or more things combine to make something new.
  5. 7. A reaction where a compound breaks down into simpler parts.
  6. 9. A reaction where something burns, usually with oxygen.