1. Covalent Grudgeball

2. A neutral group of atoms that are held together by covalent bonds
Round 1 Question 1:
A neutral group of atoms that are held together by covalent bonds

3. Molecule

4. Round 1 Question 2:
The energy required to break 1 mole of a specific chemical bond

5. Bond dissociation energy

6. Round 1 Question 3:
Name the following compound:
N2O4

7. Dinitrogen tetroxide

8. Round 1 Question 4:
A triple bond has the ___________ bond length and _________ bond strength.
smallest; least
largest; least
smallest; greatest
largest; greatest

9. C

10. Round 1 Question 5:
Name the following compound:
HC2H3O2

11. Acetic Acid

12. Round 1 Question 6:
What is the shape of CO2

13. Linear

14. Round 1 Question 7:
What kind of bond is formed by 4 shared electrons?

15. Double covalent

16. ROUND 1 BONUS FOR 5 POINTS
Which structure is the most stable? Must show work and answer WHY is it most stable?

17. Round 2 Question 1:
PCl3
Name the shape, draw dipoles and list as polar or nonpolar.

18. Trigonal pyramidal, polar

19. Round 2 Question 2:
Electrons are shared in what type of bond?

20. Covalent

21. Round 2 Question 3:
Name the following compound:
PF5

22. Phosphorous pentafluoride

23. Round 2 Question 4:
Draw the lewis structure for CO32-

24. BONUS FOR 2 POINTS: Carbonate is going to have _________________ structures.

25. Round 2 Question 5:
What molecular geometry will CH4 have?

26. Tetrahedral

27. Round 2 Question 6:
How many lone pairs does BF3 have around the central atom?

28. None

29. Round 2 Question 7: Which molecule contains a double bond? N2, F2 or O2

30. O2

31. ROUND 2 BONUS FOR 5 POINTS:
Draw the lewis structure for Nitrogen pentachloride. Name the molecular geometry. Draw the dipoles. List if polar or nonpolar.

32. ROUND 2 BONUS FOR 5 POINTS:

33. Round 3 Question 1:
A double bond is called a ________ bond (name and symbol).

34. Pi (∏)

35. Round 3 Question 2:
Name the following:
HClO4

36. Perchloric Acid

37. Round 3 Question 3:
Draw the lewis structure for NH3

39. Round 3 Question 4:
A ______ bond is formed from atoms of different electronegatives.

40. Polar covalent compound

41. Round 3 Question 5:
What type of bond occurs between 2 nonmetals

42. Covalent

43. Round 3 Question 6:
Identify the formal charges for:

44. Xe: +2
O: -1
F: 0

45. Round 3 Question 7:
What is the formula for Pentane

46. C5H12

47. Name the octet rule and 2 exceptions
ROUND 3 BONUS FOR 8 POINTS
Name the octet rule and 2 exceptions