Chemthink Chemical Reactions

1. Reactants
2. Products
3. Chemical Change
4. Breaking or Forming
5. Breaking, Forming
6. Atoms
7. Missing, Extra
8. Take Place
9. 2, 2, 1, 1
10. 2, 1
11. Law of Conservation of Mass
12. Atoms, Mass
13. 2, 1, 2
14. 1, 2, 1, 1
15. 1O, O
16. O, Cu, Cu
17. 2, 1, 2
18. 1, 2, 2, 1
19. 1, 3, 2
20. 2, 2, 3
21. 4, 3, 2

1. Breaking and forming of bonds
2. Present before and after the reaction
3. Coefficient, atom