wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

11/19 SI Session

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

An atom with 4 electron domains has a ________ electron geometry and (based on lone pairs) could have either a ____________, ______________, or ______________ molecular geometry

a)

Tetrahedral; tetrahedral, trigonal planar, linear

b)

Trigonal Planar; trigonal planar, linear, bent

c)

Trigonal Pyramidal; tetrahedral, linear, trigonal planar

d)

Tetrahedral; tetrahedral, trigonal pyramidal, bent

2.

The bond angles in ammonia (NH3) are _________

a)

approximately 120

b)

approximately 109.5

c)

less than 109.5

d)

greater than 109.5

3.

Methane has ________ bonds and is ___________ because the dipole moments of the bonds _________

a)

nonpolar, nonpolar, cancel out

b)

polar, nonpolar, don't cancel out

c)

nonpolar, polar, cancel out

d)

polar, nonpolar, cancel out

4.

Seesaw geometries are always polar

a)

True

b)

False

5.

Tetrahedral molecular geometries are always nonpolar

a)

False

b)

True

6.

The central atom on sulfur tetrafluoride has ___ lone pairs, the molecular geometry is ___, and the molecule is _____

a)

0, tetrahedral, nonpolar

b)

1, seesaw, polar

c)

0, seesaw, nonpolar

d)

1, tetrahedral, polar

7.

Each atom in carbon monoxide is _____ hybridized

a)

sp3

b)

sp2

c)

sp

d)

sp3d

8.

The carbon atom in methane is _____ hybridized, meaning there are ____ hybrid orbitals and ____ unhybridized orbitals

a)

sp3, 4, 0

b)

sp2, 3, 1

c)

sp, 2, 2

d)

sp-1, 1, 3

9.

The hybridization for an atom with 3 single bonds and 3 lone pairs is _____

a)

sp2

b)

sp3

c)

sp3d

d)

sp3d2

10.

In the molecule CNO1- (carbon is the central atom), the bond between C and N has ___ sigma bonds and ___ pi bonds, and the bond between C and O has ___ sigma bonds and ___ pi bonds

a)

1, 1, 1, 1

b)

1, 0, 1, 2

c)

1, 2, 1, 0

d)

1, 0, 1, 0

11.

Ozone (O3) has ____ electron geometry, ___ molecular geometry, a bond angle of _____, each oxygen is ____ hybridized, and there are ___ sigma bonds and ___ pi bonds in the whole molecule

a)

trigonal pyramidal, bent, (less than 109.5), sp2, 2, 2

b)

trigonal planar, bent, (greater than 120), sp2, 1, 3

c)

tetrahedral, bent, (approximately 109.5), sp3, 3, 1

d)

trigonal planar, bent, (less than 120), sp2, 2, 2

12.

Pi bonds ALWAYS form between unhybridized p orbitals

a)

True

b)

False

13.

A phosphate ion has ____ molecular geometry and is _____ due to _____

a)

tetrahedral, polar, uneven dipole moments

b)

trigonal pyramidal, nonpolar, dipole moments that cancel out

c)

tetrahedral, polar, resonance creating equal bonds

d)

tetrahedral, nonpolar, resonance creating unequal bonds

14.

Which of the following statements is correct?

a)

A lone pair takes up more space than a triple bond and a single bond takes up more space than a double bond

b)

A triple bond takes up more space than a single bond and a double bond takes up more space than a lone pair

c)

A lone pair takes up more space than a triple bond and a triple bond takes up more space than a double bond

15.

A molecule with 5 electron domains has a molecular geometry of T-shaped

a)

Always true

b)

Always false

c)

Sometimes True

d)

Never true

e)

Never false

16.

For electron geometries, octahedral has ___ domains and tetrahedral has ___ domains

a)

8, 4

b)

4, 3

c)

8, 3

d)

6, 4

17.

Xenon Tetrafluoride exhibits this molecular geometry:

a)

Tetrahedral

b)

Octahedral

c)

Square Bipyramidal

d)

Square Planar

18.

Phosphorus pentachloride has the following bond angles:

a)

120

b)

90

c)

109.5, 120

d)

90, 120

19.

The nitrogen in nitrate is ___ hybridized and exhibits ___, ___ geometry

a)

sp3, nonpolar, tetrahedral

b)

sp2, polar, trigonal planar

c)

sp3, nonpolar, trigonal planar

d)

sp2, nonpolar, trigonal planar

20.

Xenon tetroxide has ___ sigma bonds in the whole molecule and ___ pi bonds, and exhibits a ____, ____ geometry

a)

4, 0; polar, tetrahedral

b)

8, 0; nonpolar, trigonal planar

c)

4, 4; nonpolar, tetrahedral

d)

2, 6; polar, trigonal planar