Review Game 2.3 Polarity & Smell. rocket : space :: submarine : 1.sea 2.land 3.air 4.cave Countdown 10 Response Grid

Review Game 2.3Polarity & Smell

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

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”

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

What type of molecule will always be nonpolar?

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1. Asymmetrical2. Diatomic3. Linear4. Tetrahedral5. Pyramidal6. Trigonal planar7. Bent

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

What percentage of your current points would you like to wager on the next

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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


A carbon-sulfur bond would be classified as…

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1. Nonpolar2. Somewhat polar3. Very polar4. Ionic

The bond in CaCl2 would be classified as…

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A carbon-oxygen bond would be classified as…

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A phosphorus-fluorine bond would be classified as…

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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

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

Which molecule is nonpolar?

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1. PH3

2. CHBr3

3. C2H6

4. OF2

Which molecule is polar?

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1. C2HF

2. CO2

3. CH4

4. O2

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

Which molecule will have a smell?

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1. SiF4

2. CO2

3. C8H16O2

4. C21H38O5

5. C46H92O2

Why is CF4 nonpolar considering the bonds are highly polar?

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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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Which would you predict to have a smell?

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1. Paper clip2. Styrofoam3. Propane4. Water5. Rust6. Kerosene


Electrons are shared unequally in a(n)…

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1. Polar covalent bond2. Nonpolar covalent

bond3. Ionic bond4. Metallic bond5. All of the above6. None of the above

How can you smell a solid bar of chocolate?

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1. The molecules melt2. Chocolate boils at

room temperature3. The molecules are

polar and dock with receptor sites


Methanol is attracted to a charged balloon and beads up on wax paper. Methanol must…

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1. Have a smell2. Be polar3. Be nonpolar4. Be ionic5. Have a bipolar

disorder

Where is the partial positive in this molecule?

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1. C2. Cl3. Both C and Cl4. Nowhere; it’s

nonpolar.

Why do polar molecules have a smell?

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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


Where is the partial negative in this molecule?

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1. H2. C3. O4. All of the above5. None of the above

Is this molecule polar or nonpolar?

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1. Polar2. Nonpolar3. Need more info

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.

Is HCN polar or nonpolar?

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1. Polar2. Nonpolar

Is CF2Cl2 polar or nonpolar?

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1. Polar2. Nonpolar



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Is this molecule polar or nonpolar?

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1. Polar2. Nonpolar


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Review Game 2.3 Polarity & Smell. rocket : space :: submarine : 1.sea 2.land 3.air 4.cave Countdown 10 Response Grid