2. 100 200 300 400 500 200 300 400 500 200 300 400 500 200 300 400 500 200 300 400 500 P N E Guacamole Gas Laws Shapes Random

3. How many neutrons are contained in the following: 20 Ca 42

4. 22 A: C1,100

5. An experiment in which alpha particles were used to bombard thin sheets of gold foil led to the conclusion was done by…

6. Rutherford. He determined that an atom was mostly empty space with a small positively charged nucleus

7. What is the total number of electrons in the valence shell of an atom of Gallium in the ground state?

8. 3

9. How many protons are contained in a Carbon-14 atom?

10. 6 The # of protons never changes!

11. How many neutrons are in Nitrogen-15?

12. Mass = 15 Protons = 7 15-7 = 8 neutrons

13. W + X → Y + Z How many grams of Product Z will be formed if 12.0g of W react with 10.0g of X to form 8.0g of product Y in the reaction shown?

14. 14.0g

15. What is the molar mass of Al(NO 3 ) 3

16. 213g/mol

17. How many particles/atoms of bromine are contained in 40 grams?

18. 1.505 x 10 23

19. How many grams of Sodium Chloride are required to prepare 500.0mL of a 0.100M solution?

20. 2.93g

21. How many moles are in 68 L of carbon dioxide?

22. 3 moles

23. How do you convert mmHg into atm? How do you convert kPa into atm?

24. mmHg: divide by 760 kPa: divide by 101.3

25. Draw a line on the graph to represent the relationship between Volume and Temperature according to Charles’ Law Volume Temperature

26. Volume Temperature

27. DOUBLE JEOPARDY!

28. What is R? (using the correct units)

29. H 2 0 (l) H 2 0 (g) A 400 mL balloon has a pressure of 2 atm. If the pressure changes to 303.9 kPa, what is the new volume?

30. 267 mL

31. If a container of CO 2 has a volume of 560 mL, a pressure of 380 mmHg, at a temperature of 45 C, how many grams?

32. 0.47 grams.

33. What does VSEPR stand for?

34. Valence Shell Electron Pair Repulsion

35. How many lone pair electrons are on a bent shaped molecule?

36. 2 lone pair

37. How many TOTAL valence electrons does a Carbon atom need to be filled?

38. 8

39. What shape is this? Lone pair

40. Trigonal Pyramidal

41. What shape is C 2 H 2, and is it a polar or nonpolar molecule?

42. Linear Non polar

43. What property decreases from left to right across a period?

44. Atomic radius

45. When electrons are lost it is called….

46. oxidation

47. A neutral atom of aluminum-27 contains —

48. 13 electrons, 13 protons, and 14 neutrons.

49. What is the main similarity among elements in group 2?

50. Chemical Properties

51. Which of the following orbital diagrams is incorrect because it violates Hund’s rule? a. c. b. d.

52. d.

53. Each balloon was filled with an identical number of moles of gas. Why is balloon B larger than balloon A?

54. The gas in balloon B is warmer.

55. According to the graph, increasing the volume will____ (Also name the law?) The graph shows the pressure of an ideal gas as a function of its value.

56. Decrease the pressure Boyle’s Law