Polar Express C.I.M. City Draw me a Picture Shapes Bond it 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500

?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

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

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

?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

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

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

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

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

?2 $400 Ca3N2 Ionic Metallic Covalent A

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

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

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

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

?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

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

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

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

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

?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

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

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

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

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

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

?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

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.

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!