1. Q: How often do I make chemistry jokes? (submitted by Brian Dixon)
JOKE OF THE DAY:
Q: How often do I make chemistry jokes?
A: Periodically.
(submitted by Brian Dixon)

2. Jeopardy Waves Chemical Reactions Surprise! Q $100 Q $100 Q $100
Atoms &
Matter
Surprise!
Radioactivity
Q $100
Q $100
Q $100
Q $100
Q $100
Q $200
Q $200
Q $200
Q $200
Q $200
Q $300
Q $300
Q $300
Q $300
Q $300
Q $400
Q $400
Q $400
Q $400
Q $400
Q $500
Q $500
Q $500
Q $500
Q $500
Final Jeopardy

3. Water waves transport…
$100 Question from H1
Water waves transport…

4. $100 Answer from H1
Energy only!!!

5. Why does an apple look red?
$200 Question from H1
Why does an apple look red?

6. $200 Answer from H1
An apple looks red because it reflects red light waves and absorbs all other colors.

7. $300 Question from H1
The pitch of sound and the color of light are determined by the wave’s…

8. $300 Answer from H1
Frequency

9. Light is said to be “duel-natured.” What does this mean?
$400 Question from H1
Light is said to be “duel-natured.” What does this mean?

10. Light sometimes behaves as a wave and sometime behaves as a particle.
$400 Answer from H1
Light sometimes behaves as a wave
and sometime behaves as a particle.

11. List and describe the Wave Categories
$500 Question from H1
List and describe the Wave Categories

12. $500 Answer from H1 Mechanical-require medium
Electromagnetic-use oscillating electric & magnetic fields to travel
Longitudinal-particles vibrate parallel to wave
Transverse- particles vibrate perpendicular to wave

13. $100 Question from H2
Magnesium has two electron in its outer shell and chlorine has 7 valence electrons. The atoms will form a _______ bond by _______ their electrons.

14. $100 Answer from H2
Mg+1 Cl-1
Ionic bond
Transferring electrons

15. How many neutrons does the element below have?
$200 Question from H2
How many neutrons does the element below have?

16. mass = protons + neutrons 63.55 round to 64 64 - 29 p+ = 35 n0
$200 Answer from H2
Copper has 35 neutrons.
mass = protons + neutrons
63.55 round to 64
p+ = 35 n0

17. What is the name of this compound SO4
$300 Question from H2
What is the name of this compound SO4

18. $300 Answer from H2
Sulfur Tetroxide

19. List 4 signs that a chemical change has occurred.
$400 Question from H2
List 4 signs that a chemical change has occurred.

20. $400 Answer from H2 Production of Gas (fizzing/bubbling/foaming)
Production of Heat
Production of Light
Production of Sound
Change in Odor
Change in Color

21. What is the difference between a mixture and a pure substance?
$500 Question from H2
What is the difference between a mixture and a pure substance?

22. Pure substances have a definite chemical composition. Mixtures do not.
$500 Answer from H2
Pure substances have a definite chemical composition. Mixtures do not.
Elements- One type of atom
Compounds- One type of molecule
Heterogeneous mixture- unevenly mixed
Homogeneous mixture- evenly mixed

23. $100 Question from H3
In what type of chemical reaction does one large compound get broken down into two or more smaller units?

24. $100 Answer from H3
Decomposition

25. What type of chemical reaction is shown here:
$200 Question from H3
What type of chemical reaction is shown here:
3CuCl2 + 2Al  2AlCl3 + 3Cu

26. $200 Answer from H3
Single-Replacement

27. $300 Question from H3
When balancing a chemical equation, only numbers called ______________ may be added in front of the chemical formulas.

28. $300 Answer from H3
Coefficients
3CuCl2 + 2Al  2AlCl3 + 3Cu

29. $400 Question from H3
The number of atoms of an element in the reactants must equal the number of atoms of the element in the products in order for an equation to be balanced. This supports the law of…

30. The law of conservation of mass
$400 Answer from H3
The law of conservation of mass

31. List three ways to speed up a chemical reaction.
$500 Question from H3
List three ways to speed up a chemical reaction.

32. $500 Answer from H3 Increase the temperature
Increase the surface area (smal1er pieces)
Increase the concentrations
Increase the pressure
Add a catalyst/enzyme

33. Radioactive materials have unstable….
$100 Question from H4
Radioactive materials have unstable….

34. $100 Answer from H4
nuclei

35. In alpha decay, the nucleus of what element is emitted as radiation?
$200 Question from H4
In alpha decay, the nucleus of what element is emitted as radiation?

36. (2 protons and 2 neutrons)
$200 Answer from H4
Helium
(2 protons and 2 neutrons)

37. In beta decay an electron is emitted and…
$300 Question from H4
In beta decay an electron is emitted and…

38. One neutron becomes a proton.
$300 Answer from H4
One neutron becomes a proton.

39. Which type of radiation is the most penetrating and most dangerous?
$400 Question from H4
Which type of radiation is the most penetrating and most dangerous?

40. $400 Answer from H4
Gamma

41. Describe the difference between nuclear fusion and nuclear fission.
$500 Question from H4
Describe the difference between nuclear fusion and nuclear fission.

42. $500 Answer from H4
In nuclear fusion, two small nuclei combine to create one larger one, and in nuclear fission, one large nucleus splits into two smaller ones.

43. In the equation E= mc2, what is “c”?
$100 Question from H5
In the equation E= mc2, what is “c”?

44. $100 Answer from H5
c = the speed of light
3.0 x 108 m/s

45. $200 Question from H5
What does it mean to say that a chemical reaction has reached equilibrium?

46. $200 Answer from H5
When a reaction has reached equilibrium, it means that the forward and reverse reactions are occurring at the same rate.

47. Which statement about kinetic theory is FALSE?
$300 Question from H5
Which statement about kinetic theory is FALSE?
All matter is made up of tiny, invisible particles.
The particles are always moving.
Particles move faster at higher temperatures.
More massive particles move faster than smaller particles at the same temperature.

48. $300 Answer from H5
#4:More massive particles move faster than smaller particles at the same temperature.
Should read: slower

49. At what temperature does water freeze and boil on the Celsius scale?
$400 Question from H5
At what temperature does water freeze and boil on the Celsius scale?

50. $400 Answer from H5 SCALE FREEZE BOIL Celsius 0°C 100°C Fahrenheit
Kelvin
273 K
373 K

51. $500 Question from H5
The Periodic Table is organized in a series of rows and columns called periods and groups. The periods are in order of ______ _______.
Elements in the same group share the same number of _______ ______.

52. $500 Answer from H5
The Periodic Table is organized in a series of rows and columns called periods and groups. The periods are in order of atomic number.
Elements in the same group share the same number of valence electrons.

53. What happens to atoms and molecules during a chemical reaction?
Final Jeopardy
What happens to atoms and molecules during a chemical reaction?

54. The atoms are re-arranged.
Final Jeopardy Answer
The atoms are re-arranged.
3CuCl2 + 2Al  2AlCl3 + 3Cu