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Chemistry > Ch5 Chemical Bonding > Flashcards

Ch5 Chemical Bonding Flashcards

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1
Q

Compound

A

A substance that is made up of two or more different elements combined together chemically

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2
Q

Octet rule

A

When bonding occurs atoms tend to reach an electron arrangement with eight electrons in the outermost energy level

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3
Q

Ion

A

A charged atom or group of atoms

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4
Q

Ionic bond

A

Is the force of attraction between oppositely charged ions in a compound

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5
Q

Transition metal

A

Is one that firms at least one ion with a partially filled d Sublevel

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6
Q

Van der waals forces

A

Are forces that arise due to temporary dipoles between molecules

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7
Q

Permanent dipole dipole forces

A

Forces of attraction between positive pole of one molecule and the negative pile of another molecule

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8
Q

Intermolecular forces

A

Bonds between molecules

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9
Q

Intramolecular forces

A

Forces within a molecule that hold the atoms of the molecule together

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10
Q

Hydrogen sulphide

A

H2S

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11
Q

4 bonded pairs

A

Tetrahedral

Bond angle 109.5

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12
Q

3 bonded 1 lone

A

Pyramidal

107

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13
Q

3 bonded 0 lone

A

Triongal planar

120

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14
Q

2 bonded 2 lone

A

Angular
H2O =104.5
H2S = 102

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15
Q

2 bonding 0 lone

A

Linear

180

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16
Q

Ionic bonding

A

Bond between oppositely charged ions

17
Q

Polar covalent

A

Unequal sharing of bonding electrons/electron pairs where bond has slight positive and slight negative ends

18
Q

Does ammonia or water have stronger hydrogen bonding

A

Water

19
Q

Hydrogen bonding

A

Intermolecular attraction involving slightly + hydrogen atom and a slightly - atom-F O N

20
Q

Intramolecular

A

Forces between atoms within a molecule

21
Q

Intermolecular

A

Forces between molecules

22
Q

Water and charged rod

A

Polarity of water causes attraction to charged row

23
Q

Cyclohexane and charged rod

A

Non polarity if cyclohexane means it is not affected by charged rod

24
Q

What would happen if water and negatively charged rod

A

Stream of water still attracted to rod as molecules arrange themselves with positive pile towards rod

Chemistry (14 decks)

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