1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 A BCDE

2. This is the chemical formula for a dinitrogen trioxide molecule.

3. What is N 2 O 3?

4. This usually increases the rate of reaction.

5. What is an increase in temperature, surface area, or concentration?

6. This is a chemical reaction where two or more substances combine to form one new compound.

7. What is a synthesis reaction?

8. 2Na + Cl 2 2NaCl

9. What is a balanced equation?

10. A. Is an example of this.

11. What is activation energy?

12. B. Is an example of this.

13. What is energy being absorbed?

14. C. Is an example of this.

15. What is an exothermic reaction?

16. D. Is an example of this.

17. What is energy being released?

18. E. Is and example of this.

19. What is an endothermic reaction?

20. The arrow is called this.

21. What is a yield sign?

22. The large #2 is called this.

23. What is a coefficient?

24. The 2Na + Cl 2 is called this.

25. What are the reactants?

26. The little two is called this.

27. What is a subscript?

28. The 2NaCl is called this.

29. What is the product?

30. This is an example of this type of reaction.

31. What is a synthesis reaction?

32. This is an example of this type of reaction.

33. What is a decomposition reaction?

34. This is an example of this type of reaction.

35. What is a single displacement reaction?

36. This is an example of this type of reaction

37. What is an exothermic reaction?

38. This is an example of this type of reaction.

39. What is an endothermic reaction?

40. The law of conservation of mass states this.

41. What is atoms are never gained or lost in a chemical reaction?

42. O 2 is an example of this.

43. What is a diatomic molecule?

44. Milk turning sour is an example of this.

45. What is a chemical reaction?

46. To break a chemical bond you need this.

47. What is energy?

48. This is what a catalyst does.

49. What is speed up a reaction?

50. This is the number of atoms in CaCO 3

51. What is five?