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Chemistry: Physical CHEM > QUICK: Shapes of molecules + ions > Flashcards

QUICK: Shapes of molecules + ions Flashcards

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1
Q

What is the shape name of a molecule that has 2 electron pairs and an 180 degree bond angle?

A

The molecule has a linear shape

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2
Q

What are the properties of a linear shape?
bond angle
number of electron pairs
number of electrons

A

A linear shape 2 electrons pairs, meaning 4 electrons and has a bond angle of 180 degrees

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3
Q

What are the properties of a trigonal planar shape?
bond angle
number of electron pairs
number of electrons

A

A trigonal planar shape has 3 electron pairs, meaning 6 electrons and has a bond angle of 120 degrees

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3
Q

What is the shape name of a molecule that 3 electron pairs and an 120 degree angle?

A

The molecule has a trigonal planar shape

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4
Q

What is the shape name of a molecule that has 4 electron pairs and an 109.5 degree bond angle?

A

The molecule has a tetrahedral shape

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5
Q

What are the properties of a trigonal bipyramidal shape?
bond angle
number of electron pairs
number of electrons

A

A trigonal bipyramid shape has 5 electron pairs, meaning 10 electrons and a bond angle of 120 degrees

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5
Q

What is the shape name of a molecule that has 5 electron pair and a bond angle of 120 degrees

A

The molecule has a trigonal bipyramid shape

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6
Q

What are the properties of a tetrahedral shape?
bond angle
number of electron pairs
number of electrons

A

A tetrahedral shape has 4 electron pairs, meaning 8 electrons abd a bond angle of 109.5 degrees

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7
Q

What is the shape name of a molecule that has 6 electron pairs and a bond angle of 90 degrees

A

The molecule has an octahedral shape

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8
Q

What are the properties of a octahedral shape?
bond angle
number of electron pairs
number of electrons

A

A octahedral shape has 6 electron pairs, meaning 12 electrons and a bond angle of 90 degrees

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9
Q

What is the shape name of a molecule that has 3 electron pairs and 1 lone pair, with a bond angle of 107 degrees?

A

The molecule has an trigonal pyramidal shape

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10
Q

What are the properties of a trigonal pyramidal shape?
bond angle
number of electron pairs
number of electrons

A

A trigonal pyramidal shape has a bond angle of 107 degrees with 3 electron pairs and 1 lone pair of electrons

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11
Q

What is the shape name of the molecule that has 2 electron pairs and 2 lone pairs, with a bond angle of 104.5 degrees?

A

The molecule has a shape name of bent

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12
Q

What are the properties of a bent molecule shape?
bond angle
number of electron pairs
number of electrons

A

A bent molecule shape has a bond angle of 104.5 and has 2 electron pairs and 2 lone pairs of electrons

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Chemistry: Physical CHEM (34 decks)

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