review game 2.3 polarity & smell. rocket : space :: submarine : 1.sea 2.land 3.air 4.cave...
TRANSCRIPT
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Review Game 2.3Polarity & Smell
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rocket : space :: submarine :
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Why do molecules of certain substances attract to each other and to a balloon?
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1. They are positively charged
2. They are negatively charged
3. They have protons and electrons
4. They have partial charges
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What does it mean to be polar?
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1. To be positively charged2. To be negatively charged3. To have a positively
charged end and a negatively charged end
4. Polar is the new “cool”
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Polar molecules will…
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1. Not smell2. Spread out on wax
paper3. Repel from a
charged balloon4. Be symmetrical5. All of the above6. None of the above
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What type of molecule will always be nonpolar?
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1. Asymmetrical2. Diatomic3. Linear4. Tetrahedral5. Pyramidal6. Trigonal planar7. Bent
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Participant Scores0 Participant 1 0 Participant 110 Participant 2 0 Participant 120 Participant 3 0 Participant 130 Participant 4 0 Participant 140 Participant 5 0 Participant 150 Participant 6 0 Participant 160 Participant 7 0 Participant 170 Participant 8 0 Participant 180 Participant 9 0 Participant 190 Participant 10 0 Participant 20
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What percentage of your current points would you like to wager on the next
question?1. 0%2. 25%3. 50%4. 75%5. 100%
Countdown
10
Response Grid
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Which is not one of the 7 diatomic molecules?
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1. H2
2. I2
3. O2
4. N2
5. C2
6. Br2
7. F2
8. Cl2
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Participant Scores0 Participant 1 0 Participant 110 Participant 2 0 Participant 120 Participant 3 0 Participant 130 Participant 4 0 Participant 140 Participant 5 0 Participant 150 Participant 6 0 Participant 160 Participant 7 0 Participant 170 Participant 8 0 Participant 180 Participant 9 0 Participant 190 Participant 10 0 Participant 20
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A carbon-sulfur bond would be classified as…
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1. Nonpolar2. Somewhat polar3. Very polar4. Ionic
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The bond in CaCl2 would be classified as…
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Response Grid
1. Nonpolar2. Somewhat polar3. Very polar4. Ionic
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A carbon-oxygen bond would be classified as…
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Response Grid
1. Nonpolar2. Somewhat polar3. Very polar4. Ionic
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A phosphorus-fluorine bond would be classified as…
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Response Grid
1. Nonpolar2. Somewhat polar3. Very polar4. Ionic
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Which element has the lowest electronegativity? (Elements are arranged in the order they appear on the periodic table.)
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1. Be
2. Sr
3. B
4. I
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Which element has the greatest electronegativity? (Elements are arranged in the order they appear on the periodic table.)
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1. N2. P3. As4. Sb
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Which molecule is nonpolar?
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1. PH3
2. CHBr3
3. C2H6
4. OF2
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Which molecule is polar?
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1. C2HF
2. CO2
3. CH4
4. O2
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Which molecule will not have a smell?
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1. Small nonpolar2. Small polar3. Medium nonpolar4. Medium polar5. All of the above6. None of the above
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Which molecule will have a smell?
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Response Grid
1. SiF4
2. CO2
3. C8H16O2
4. C21H38O5
5. C46H92O2
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Why is CF4 nonpolar considering the bonds are highly polar?
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Response Grid
1. The electrons are not shifted to just one side
2. The bond dipoles cancel out
3. The partial positive is in the center not the outside
4. The molecule is symmetrical
5. All of the above6. None of the above
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Participant Scores0 Participant 1 0 Participant 110 Participant 2 0 Participant 120 Participant 3 0 Participant 130 Participant 4 0 Participant 140 Participant 5 0 Participant 150 Participant 6 0 Participant 160 Participant 7 0 Participant 170 Participant 8 0 Participant 180 Participant 9 0 Participant 190 Participant 10 0 Participant 20
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What percentage of your current points would you like to wager on the next
question?1. 0%2. 25%3. 50%4. 75%5. 100%
Countdown
10
Response Grid
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Which would you predict to have a smell?
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1. Paper clip2. Styrofoam3. Propane4. Water5. Rust6. Kerosene
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Participant Scores0 Participant 1 0 Participant 110 Participant 2 0 Participant 120 Participant 3 0 Participant 130 Participant 4 0 Participant 140 Participant 5 0 Participant 150 Participant 6 0 Participant 160 Participant 7 0 Participant 170 Participant 8 0 Participant 180 Participant 9 0 Participant 190 Participant 10 0 Participant 20
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Electrons are shared unequally in a(n)…
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Response Grid
1. Polar covalent bond2. Nonpolar covalent
bond3. Ionic bond4. Metallic bond5. All of the above6. None of the above
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How can you smell a solid bar of chocolate?
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Response Grid
1. The molecules melt2. Chocolate boils at
room temperature3. The molecules are
polar and dock with receptor sites
4. All of the above5. None of the above
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Methanol is attracted to a charged balloon and beads up on wax paper. Methanol must…
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Response Grid
1. Have a smell2. Be polar3. Be nonpolar4. Be ionic5. Have a bipolar
disorder
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Where is the partial positive in this molecule?
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1. C2. Cl3. Both C and Cl4. Nowhere; it’s
nonpolar.
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Why do polar molecules have a smell?
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Response Grid
1. They have the right shape to dock with receptor sites
2. They have a partial charge to dock with receptor sites
3. They vaporize easier than nonpolar
4. All of the above5. None of the above
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Where is the partial negative in this molecule?
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1. H2. C3. O4. All of the above5. None of the above
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Is this molecule polar or nonpolar?
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Response Grid
1. Polar2. Nonpolar3. Need more info
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Why do large molecules usually not have a smell?
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1. They are nonpolar.2. They are usually
symmetrical.3. They cannot fit into
receptor sites.4. They don’t vaporize
easily.5. All the good scents
were taken by Calvin Klein.
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Is HCN polar or nonpolar?
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1. Polar2. Nonpolar
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Is CF2Cl2 polar or nonpolar?
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Response Grid
1. Polar2. Nonpolar
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Participant Scores0 Participant 1 0 Participant 110 Participant 2 0 Participant 120 Participant 3 0 Participant 130 Participant 4 0 Participant 140 Participant 5 0 Participant 150 Participant 6 0 Participant 160 Participant 7 0 Participant 170 Participant 8 0 Participant 180 Participant 9 0 Participant 190 Participant 10 0 Participant 20
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What percentage of your current points would you like to wager on the next
question?1. 0%2. 25%3. 50%4. 75%5. 100%
Countdown
10
Response Grid
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Is this molecule polar or nonpolar?
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Response Grid
1. Polar2. Nonpolar
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Participant Scores0 Participant 1 0 Participant 110 Participant 2 0 Participant 120 Participant 3 0 Participant 130 Participant 4 0 Participant 140 Participant 5 0 Participant 150 Participant 6 0 Participant 160 Participant 7 0 Participant 170 Participant 8 0 Participant 180 Participant 9 0 Participant 190 Participant 10 0 Participant 20