2. Polar
Express
C.I.M.
City
Draw me a
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Shapes
Bond it
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3. ?1 $100
H = 2.1, F = 4.0 Difference = 1.9 A difference in this property allows one to calculate the degree of polarity. A. Atomic Radius B. Electronegativity C. Ionization energy B

4. CCl4 is polar or nonpolar. A. Polar B. Nonpolar
?1 $200
CCl4 is polar or nonpolar. A. Polar B. Nonpolar B

5. This is a condition for nonpolarity. A. Symmetrical B. Asymmetrical
?1 $300
This is a condition for nonpolarity. A. Symmetrical B. Asymmetrical A

6. ?1 $400
This is the one that is most polar. HBr, HF, HCl, HI, F2 A. HBr B. HF C. HCl D. HI E. F2 B

7. ?1 $500
This is a nonpolar molecule with polar bonds. A. CCl4 B. CHCl3 C. NaCl D. CH3Br A

8. ?2 $100
Sodium & Chlorine.
Ionic
Metallic
Covalent A

9. ?2 $200
Hydrogen & Carbon.
Ionic
Metallic
Covalent C

10. ?2 $300
Cu + Zn.
Ionic
Metallic
Covalent B

11. ?2 $400
Ca3N2
Ionic
Metallic
Covalent A

12. This is the strongest type of bond. Ionic Polar Covalent
?2 $500
This is the strongest type of bond.
Ionic
Polar Covalent
Nonpolar Covalent A

13. Calcium has this number of Lewis dots.
?3 $100
Calcium has this number of Lewis dots. 2

14. This is the Lewis dot structure of NH3. A. B. C.
?3 $200
This is the Lewis dot structure of NH3. A. B. C. B

15. ?3 $300
This is the number of potassium atoms in the chemical formula when potassium and phosphorous bond. 3

16. ?3 $400
This is the charge on Phosphorous when Potassium & Phosphorous bond. A. +1 B. +2 C. +3 D. +4 E. +5 F. -1 G. -2 H. -3 I. -4 J. -5 H

17. This is the total number of lone pairs in the molecule CHCl3.
?3 $500
This is the total number of lone pairs in the molecule CHCl3. 9

18. ?4 $100
This is the shape of water. A. Bent B. Linear C. Pyramidal D. Tetrahedral E. Trigonal Planar A

19. ?4 $200
This is the shape of CH4. A. Bent B. Linear C. Pyramidal D. Tetrahedral E. Trigonal Planar D

20. This is the pyramidal bond angle. A. 107 B. 109 C. 120 D. 180
?4 $300
This is the pyramidal bond angle. A. 107 B. 109 C. 120 D. 180 A

21. ?4 $400
This is how electrons want to be arranged. A. As close to each other as possible B. As far away from each other as possible. C. Random assortment B

22. This is not a drawing of a pyramidal compound. A. B. C.
?4 $500
This is not a drawing of a pyramidal compound. A. B. C. P C

23. ?5 $100
This is the weakest Intermolecular Force. A. Ionic B. Hydrogen C. van der Waals C

24. ?5 $200
This is what happens to the boiling point when intermolecular forces are increased? A. Increases B. Decreases C. Stays the same A

25. ?5 $300
This is how two water molecules bond together. A. O --- O B. O --- H C. H --- H B

27. ?5 $400
This is the number of electrons shared in a bond between two nitrogen atoms (N2). 6

28. ?5 $500
This type of compound has a high melting point, dissolves in water, conducts electricity only when dissolved in water. A. Ionic B. Metallic C. Covalent A

29. Final Jeopardy
Cleaning Techniques
You have a stain on your brand new shirt. Describe how you would remove it.
List the steps that you would take.
Justify your answer.

30. Identify the stain as polar or nonpolar
Final Jeopardy
Identify the stain as polar or nonpolar
Choose a solvent that is similar in polarity to the stain
** Like dissolves like!