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Lecture 6 > Attraction between Compounds > Flashcards

Attraction between Compounds Flashcards

1
Q

Bond Polarity is

A

difference in electronegativity

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2
Q

If you have nonpolar bonds. then the molecule is…

A

nonpolar

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3
Q

If you have polar bonds with even distribution of charges, then the molecule is…

A

Nonpolar

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4
Q

If you have polar bonds with uneven distribution of charges, then the molecule is…

A

polar

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5
Q

Polar molecules have

A

polar ends

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6
Q

Intermolecular forces (IMF):

A

attraction between molecules

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7
Q

Intramolecular forces:

A

within a compound
(ionic bonds, covalent bonds, metallic bonding)

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8
Q

What is Van der Waals Force’s used for

A

general term used to define the attraction of intermolecular forces between molecules

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9
Q

What are the 2 types of Van de Waals forces?

A

weak London Dispersion Forces
Stronger dipole-dipole forces

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10
Q

What causes LDF?

A

attraction between induced dipole-caused by motion of electrons

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11
Q

How strong is LDF?

A

weakest of all

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12
Q

Where is LDF found?

A

Found in all molecules, but the only attraction present in nonpolar molecules

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13
Q

What happens to LDF attraction as the number of electrons increase?

A

The attraction increases

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14
Q

Dipole Interactions have permanent dipoles

A

true

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15
Q

How do dipole interactions occur?

A

When the polar molecules are attracted to eachother because of their partially charged ends?

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16
Q

Are dipole interactions weaker or stronger than LDF?

A

slightly stronger

17
Q

How is dipole interaction attraction compared to ionic solids?

A

opposites are attracted, but not as completely hooked as ionic solids

18
Q

What atoms are covalently bonded to hydrogen

A

N, O, and F because they are highly electronegative

19
Q

Does Hydron pair with any other molecule?

A

The lone pair in the molecule next to it

20
Q

How strong are hydrogen bonds?

A

They are the strongest of the intermolecular forces

21
Q

What are the intermolecular forces from weakest to strongest?

A

dispersion, dipole interactions, hydrogen bonding

22
Q

How do the IMF forces relate to intramolecular forces?

A

All IMF are weaker than intramolecular forces

23
Q

What is dipole-ion interaction?

A

polar molecule interacting with an ion

24
Q

What are all the forces (inter & intra) from weakest to strongest?

A

LDF, dipole-dipole, H-bonds, ion-dipole, ion-ion/ionic & metallic & covalent network solids

Lecture 6 (6 decks)

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