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CHEM 1211 - chapter 7 and 8 > Molecular structures > Flashcards

Molecular structures Flashcards

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1
Q

BeBr2

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB2

Linear

Linear

Non-polar

2

None

180o

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2
Q

BeCl2

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB2

Linear

Linear

Non-polar

2

None

180o

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3
Q

BeI2

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB2

Linear

Linear

Non-polar

2

None

180o

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4
Q

HgCl2

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB2

Linear

Linear

Non-polar

2

None

180o

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5
Q

H2O

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB2U2

v-shaped

Tetrahedral

polar

4

2

109.5o, though it varies slightly depending on how polar the molecule is

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6
Q

H2S

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB2U2

v-shaped

Tetrahedral

polar

4

2

109.5o, though it varies slightly depending on how polar the molecule is

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7
Q

OF2

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB2U2

v-shaped

Tetrahedral

polar

4

2

109.5o, though it varies slightly depending on how polar the molecule is

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8
Q

BCl3

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB3

Trigonal Planar

Trigonal Planar

Non-polar

3

None

120o

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9
Q

BF3

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB3

Trigonal Planar

Trigonal Planar

Non-polar

3

None

120o

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10
Q

NF3

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB3U

Tetrahedral

Trigonal Pyramidal

Non-polar

4

1

109.5o

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11
Q

NH3

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB3U

Tetrahedral

Trigonal Pyramidal

Non-polar

4

1

109.5o

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12
Q

CCl4

  • What electronic arrangement species is this?
  • What structure does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB4

Tetrahedral

Non-polar

4

None

109.5o

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13
Q

CF4

  • What electronic arrangement species is this?
  • What structure does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB4

Tetrahedral

Non-polar

4

None

109.5o

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14
Q

CH4

  • What electronic arrangement species is this?
  • What structure does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB4

Tetrahedral

Non-polar

4

None

109.5o

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15
Q

SiF4

  • What electronic arrangement species is this?
  • What structure does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB4

Tetrahedral

Non-polar

4

None

109.5o

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16
Q

SiH4

  • What electronic arrangement species is this?
  • What structure does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

AB4

Tetrahedral

Non-polar

4

None

109.5o

17
Q

FCI

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

ABU3

linear

Tetrahedral

polar

4

3

???

18
Q

HBr

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

ABU3

linear

Tetrahedral

polar

4

3

???

19
Q

HCl

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

ABU3

linear

Tetrahedral

polar

4

3

???

20
Q

HF

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

ABU3

linear

Tetrahedral

polar

4

3

???

21
Q

HI

  • What electronic arrangement species is this?
  • What molecular geometry does it have?
  • What electronic geomertry does it have?
  • Is it polar or non-polar?
  • How many regions of high electron density are there?
  • How many lone pairs of electrons are on the central atom?
  • What are the bond angles between the central atom and the outer atoms?
A

ABU3

linear

Tetrahedral

polar

4

3

???

22
Q
  • What is the name of this electronic arrangement?
  • How many regions of high electron density does it have?
  • What is its hybridization number?
A
  • Linear
  • 2
  • sp
23
Q
  • What is the name of this electronic arrangement?
  • How many regions of high electron density does it have?
  • What is its hybridization number?
A
  • Octahedral
  • 6
  • sp3d2
24
Q
  • What is the name of this electronic arrangement?
  • How many regions of high electron density does it have?
  • What is its hybridization number?
A
  • Tetrahedral
  • 4
  • sp3
25
Q
  • What is the name of this electronic arrangement?
  • How many regions of high electron density does it have?
  • What is its hybridization number?
A
  • Trigonal bipryamidal
  • 5
  • sp3d
26
Q
  • What is the name of this electronic arrangement?
  • How many regions of high electron density does it have?
  • What is its hybridization number?
A
  • Trigonal Planar
  • 3
  • sp2
27
Q

What electronic geometry configuration has only a 180o angle?

A

Linear

28
Q

What electronic geometry configuration has only a 120o angle?

A

trigonal planar

29
Q

What electronic geometry configuration has only a 109.5o angle?

A

tetrahedral

30
Q

What electronic geometry configuration includes a 90o, 120o, and 180o angle?

A

trigonal bipyramidal

31
Q

What electronic geometry configuration includes a 90o and 180o angle?

A

trigonal bipyramidal

CHEM 1211 - chapter 7 and 8 (1 decks)

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