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CHEM 121 > VSEPR Shapes > Flashcards

VSEPR Shapes Flashcards

Memorize the name, parent, molecule shapes, angles of VSEPR structures.

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1
Q

What are the 6 parent shapes?

A 
Linear (2)
Trigonal Planar (3)
Tetrahedral (4)
Trigonal Bipyramidal (5)
Octahedral (6)
Pentagonal Bipyramidal (7)
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2
Q

What is the molecule shape with 2 bonding atoms and no lone pairs?

A

Linear

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3
Q

What is the molecule shape with 3 bonding atoms and 0 lone pairs?

A

Trigonal Planar

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4
Q

What is the molecule shape with 2 bonding atoms and 1 lone pair?

A

Bent

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5
Q

What is the molecule shape with 4 bonding atoms and 0 lone pairs?

A

Tetrahedral

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6
Q

What is the molecule shape with 3 bonding atoms and 1 lone pair?

A

Trigonal Pyramid

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7
Q

What is the molecule shape with 2 bonding atoms and 2 lone pairs?

A

Bent

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8
Q

What is the molecule shape with 5 bonding atoms and 0 lone pairs?

A

Trigonal Bipyramidal

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9
Q

What is the molecule shape with 4 bonding atoms and 1 lone pair?

A

See saw

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10
Q

What is the molecule shape with 3 bonding atoms and 2 lone pairs?

A

T-shaped

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11
Q

What is the molecule shape with 6 bonding atoms and no lone pairs?

A

Octahedral

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12
Q

What is the molecule shape with 5 bonding atoms and 1 lone pair?

A

Square based pyramidal

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13
Q

What is the molecule shape with 4 bonding atoms and 2 lone pairs?

A

Square Planar

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14
Q

What is the molecule shape with 7 bonding atoms and no lone pairs?

A

Pentagonal Bipyramidal

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15
Q

What is the approximate angle between atoms in a LINEAR molecule shape?

A

180 degrees!

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16
Q

What is the approximate angle between atoms in a TRIOGONAL PLANAR molecule shape?

A

120 degrees!

17
Q

What is the approximate angle between atoms in a BENT (1, 2) molecule shape?

A

120 degrees!

18
Q

What is the approximate angle between atoms in a TETRAHEDRAL molecule shape?

A

109.5 degrees!

19
Q

What is the approximate angle between atoms in a TRIGONAL PYRAMIDAL molecule shape?

A

109.5 degrees!

20
Q

What is the approximate angle between atoms in a BENT (2, 2) molecule shape?

A

109.5 degrees!

21
Q

What is the approximate angle between atoms in a TRIGONAL BIPYRAMIDAL molecule shape?

A 
90 degrees (axial to equatorial)
120 degrees (equatorial to equatorial)
180 degrree (axial to axial)
22
Q

What is the approximate angle between atoms in a SEESAW molecule shape?

A 
90 degrees (axial to equatorial)
120 degrees (equatorial to equatorial)
180 degrees (axial to axial)
23
Q

What is the approximate angle between atoms in a TSHAPED molecule shape?

A 
90 degrees (axial to equatorial)
180 degrees (axial to axial)
24
Q

What is the approximate angle between atoms in a OCTAHEDRAL molecule shape?

A 
90 degrees (axial to equatorial)
90 degrees (equatorial to equatorial)
180 degrees (axial to axial)
25
Q

What is the approximate angle between atoms in a SQUARE BASED PYRAMIDAL molecule shape?

A

90 degrees

180 degrees

26
Q

What is the approximate angle between atoms in a SQUARE PLANAR molecule shape?

A

90 degrees

180 degrees

27
Q

What is the approximate angle between atoms in a PENTAGONAL BIPYRAMIDAL molecule shape?

A 
72 degrees (equatorial to equatorial)
90 degrees (axial to equatorial)
180 degrees (axial to axial)

CHEM 121 (1 decks)

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