Quiz - Ch. 8 - Bonding Theories and VSEPR

1.

Multiple Choice

20 sec

1 pt

According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?

Pairs of valence electrons

Inner shell electrons

Mobile Electrons

Electrons closest to the nucleus

2.

Multiple Choice

30 sec

1 pt

What is the measure of a tetrahedral bond angle?

90 Degrees

109.5 Degrees

120 Degrees

180 Degrees

3.

Multiple Choice

45 sec

1 pt

Which of the following shapes ALWAYS has unshared pairs of electrons on the central atom?

Bipyramidal

Bent

Trigonal Planar

Tetrahedral

4.

Multiple Choice

1 min

1 pt

Which molecule would have this shape? (AX₂)

BF₃

CH₄

PCl₅

CO₂

5.

Multiple Choice

30 sec

1 pt

Which of the following molecular shapes would have a bond angle of 180 Degrees?

Bent

Trigonal Planar

Tetrahedral

Linear

6.

Multiple Choice

30 sec

1 pt

What molecule could this be? (AX₃ or AX₂E)

BF₃

CH₄

H₂O

CO₂

7.

Multiple Choice

45 sec

1 pt

The bond angle for a trigonal planar molecule is

90 Degrees

109.5 Degrees

120 Degrees

180 Degrees

8.

Multiple Choice

1 min

1 pt

What molecular shape is this? (AX₅ or AX₄E or AX₃E₂ or AX₂E₃)

Trigonal Planar

Trigonal Bipyramidal

Tetrahedral

Pyramidal

9.

Multiple Choice

45 sec

1 pt

What molecule could this be? (AX₅)

H₂O

CCl₄

PCl₅

NaCl

10.

Multiple Choice

30 sec

1 pt

How many unshared pairs of electrons will a bent molecule have?

1 or 2

2 or 3

3 or 5

4 or 5

11.

Multiple Choice

30 sec

1 pt

How many unshared pairs of electrons will a trigonal pyramidal molecular shape have?

1

2

3

4

12.

Multiple Choice

30 sec

1 pt

What is the bond angle for a trigonal pyramidal molecular shape?

90

107

109.5

120

13.

Multiple Choice

30 sec

1 pt

What is the bond angle in a water molecule?

90 to 91 degrees

104 to 105 degrees

107 to 108 degrees

180 to 181 degrees

14.

Multiple Choice

30 sec

1 pt

What is the VSEPR theory used to predict?

Bond Strength and bond length

Polarity and symmetry

Molecular Shape and electron geometry

Electronegativity and electron affinity

15.

Multiple Choice

30 sec

1 pt

Who could this molecule be? (AX₄)

CH₄

CO₂

PCl₅

BF₃

16.

Multiple Choice

30 sec

1 pt

What molecule could this be? (AX₂E₂)

CO₂

NH₃

H₂O

CH₄

17.

Multiple Choice

30 sec

1 pt

What molecule could this be? (AX₃E₁)

H₂O

PH₃

CO₂

CH₄

18.

Multiple Choice

30 sec

1 pt

What shape would NH₃have?

Trigonal Planar

Trigonal pyramidal

Bent

Linear

19.

Multiple Choice

30 sec

1 pt

What molecular shape will AlBr₃ have?

Trigonal planar

Trigonal pyramid

Seesaw

Linear

20.

Multiple Choice

30 sec

1 pt

What molecular shape will CF₄ have?

Trigonal planar

Trigonal pyramid

Seesaw

Tetrahedral

21.

Multiple Choice

30 sec

1 pt

What molecular shape will SH₂ have?

T-shaped

Linear

Bent

Tetrahedral

22.

Multiple Choice

30 sec

1 pt

What molecular shape will ClF₅ have?

Trigonal bipyramidal

Trigonal pyramid

Square pyramid

Tetrahedral

23.

Multiple Choice

30 sec

1 pt

What molecular shape will XeF₄have?

Trigonal bipyramidal

Square planar

Square pyramid

Tetrahedral

24.

Multiple Choice

30 sec

1 pt

What molecular shape will SeF₆have?

Trigonal bipyramidal

Octahedral

Square pyramid

Tetrahedral

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