1. Element,
Compound
Mixture
Models &
Formulas
Balanced
or Not
Misc
Equations
1pt
1 pt
1 pt
1pt
1 pt
2 pt
2 pt
2pt
2pt
2 pt
3 pt
3 pt
3 pt
3 pt
3 pt
4 pt
4 pt
4pt
4 pt
4pt
5pt
5 pt
5 pt
5 pt
5 pt

2. Two or more substances in the same place but not chemically combined are called this.

3. mixture
1 pt

4. The Earth’s atmosphere is composed of a bunch of different gasses and is an example of this.

5. mixture
2 pt

6. H2O is the formula for water and is an example of this.

7. compound
3 pt

8. Chemical formulas are used to represent this.

9. compound
4 pt

10. Pure substances are considered pure because they are made from only one type of …….

11. Particle
5 pt

12. The number of sulfur atoms in the formula H2SO4.

13. 1
1 pt

14. A molecule of silver bromate is composed of 3 oxygen atoms (O), 1 bromine atom (Br), and 1 silver atom (Ag). This is the chemical formula for silver bromate.

15. AgBrO3
2 pt

16. Which model below shows a compound? A B C

17. A
3 pt

18. Why does model C below show an element? A B C

19. It’s made from only 1 type of atom.
4 pt

20. How many different molecules are present in A below? A B C

21. 1
5 pt

22. The joining of atoms to form new bonds is a result of this.

23. chemical bonding
1 pt

24. Is the following equation balanced? P4 + 3O2  2P2O3

25. yes
2 pt

26. Which elements in the following equation are not balanced
Which elements in the following equation are not balanced? 2Cu + 2O2  2CuO

27. O
3 pt

28. What evidence is there that the following equation is unbalanced
What evidence is there that the following equation is unbalanced? 2Ca + 4HCl  CaCl2 +2H2

29. R P Ca Not Bal. H Cl Not Bal.
4 pt

30. When new substances form as a result of chemical bonding, most of their properties do this.

31. change
5 pt

32. Elements and compounds are considered pure. Why?

33. They are made from only 1 particle type.
1 pt

34. Mixtures are considered to be NOT pure. Why?

35. They are made from more than 1 particle type.
2 pt

36. Can water be separated physically or chemically?

37. Chemically
3 pt

38. Can mixtures be separated physically or chemically?

39. physically
4 pt

40. How can sugar water be separated into sugar and water?

41. Evaporation or boiling
5 pt

42. Is the following equation balanced? SnO + 2 H2 → Sn + 2 H2O

43. No
1 pt

44. What is/are the coefficient/s in the following equation
 What is/are the coefficient/s in the following equation C4H10 + 13 O2 → 8 CO2(g)  +  10 H2O

45. 2, 13, 8, 10
2 pt

46. What is/are the reactant/s in the following equation
What is/are the reactant/s in the following equation? NaCl  +  AgNO3  →    NaNO3  +  AgCl

47. NaCl + AgNO3
3 pt

48. What is/are the product/s in the following equation? 2Mg + O2 → 2MgO

49. 2MgO
4 pt

50. The Law of Conservation of Matter is reflected in balanced equations as the law states this.

51. Matter cannot be created or destroyed.
5 pt