Chemical Bonding

When one s orbital and three p orbitals form four orbitals of equal energy, the result is
1. one really messed up molecule
2. four hybrid d⁴ orbitals
3. one hybrid sp³ orbitals
4. four hybrid sp³ orbitals
During hybridization of orbitals, the number of hybrid orbitals produced is equal to
1. the number of energy levels each atom has
2. the number of orbitals that have combined
3. the total number of electrons involved in the bond
4. the number of valence electrons
A double-headed arrow placed between molecular structures indicates
1. indecision
2. variance
3. resonance
4. covalence
Which of the following lists shows intermolecular forces in order of increasing strength?
1. London dispersion, dipole-dipole, hydrogen bonding
2. dipole-dipole, London dispersion, hydrogen bonding
3. dipole-dipole, hydrogen bonding, London dispersion
4. hydrogen bonding, London dispersion, dipole-dipole
What is responsible for the unique density of water?
1. electrostatic forces
2. ionic bonding
3. hydrogen bonding
4. gravity
Suppose you observe a Lewis dot structure in which one atomic symbol is surrounded by no dots, but has brackets and a positive charge, and right next to it is another atomic symbol surrounded by eight dots, brackets, and a negative charge. Being the brilliant chemist you are, you know that the substance being described is
1. ionically bonded
2. covalently bonded
3. a polyatomic ion
4. a diatomic molecule
CH₂Cl₂ has
1. one covalent bond
2. three covalent bonds
3. four covalent bonds
4. two covalent bonds
Compared to intermolecular forces, covalent bonds are
1. strong
2. weak
3. hard to understand
4. about the same
Compared to water, ice
1. is less dense
2. has the same density
3. tastes better
4. is more dense
Which of the following do you need to know in order to draw a Lewis structure?
1. the bond energy
2. the number of atoms in the molecule
3. the bond length
4. the number of inner shells in the atoms
What is the difference between a structural formula and a Lewis dot formula?
1. a structural formula does not indicate the unshared pairs of electrons
2. a Lewis dot formula only includes the central atoms
3. a Lewis dot formula does not indicate the unshared pairs of electrons
4. a structural formula only includes the central atoms
In a molecule of iodine, the two shared electrons give each iodine atom how many electrons in the outer energy level?
1. 53
2. 2
3. 18
4. 8
Suppose you observe a Lewis dot structure in which one atomic symbol is surrounded by 8 dots right next to another atomic symbol surrounded by 8 dots (two of the dots are shared by each symbol), but the two symbols are enclosed in one set of brackets and the entire structure has a charge. Being the brilliant chemist you are, you know that the substance being described is
1. a polyatomic ion
2. a diatomic molecule
3. covalently bonded
4. ionically bonded
Resonance refers to
1. bonding in molecules or ions in which the particles vibrate
2. bonding that occured after the Dark Ages
3. bonding in molecules or ions that cannot be correctly represented by a single Lewis structure
4. bonding of unstable isotopes
The predicted shape of a HF molecule is
1. tetrahedral
2. linear
3. bent
4. equilateral triangle
Copper wire sinks in water because copper
1. is more dense than water
2. is a metal
3. is a solid
4. is less dense than water
In a molecule of water, how many unshared pairs of electrons exist?
1. 2
2. 53
3. 8
4. 18
Compared to dipole-dipole forces, London dispersion forces are
1. about the same
2. strong
3. hard to understand
4. weak
The theory that states the electrostatic repulsion between electron pairs surrounding an atom causes the pairs to be separated as far as possible is known as
1. the VESTER theory
2. the RPESV theory
3. the VSEPR theory
4. the WASP theory
The VSEPR theory helps to determine
1. the shapes of molecules
2. the energy involved in forming molecules
3. the charge of molecules
4. the type of bonding that exists between molecules

Chemical Bonding - 2

Multiple-Choice Exercise
Content © 2006 Melanie Cecere; Authors of Activity: Melanie Cecere & Tami Maloney; All rights reserved. No commercial, for-profit use of this material is allowed. E-mail comments and questions to Tami Maloney.

When one s orbital and three p orbitals form four orbitals of equal energy, the result is

During hybridization of orbitals, the number of hybrid orbitals produced is equal to

A double-headed arrow placed between molecular structures indicates

Which of the following lists shows intermolecular forces in order of increasing strength?

What is responsible for the unique density of water?

CH₂Cl₂ has

Compared to intermolecular forces, covalent bonds are

Compared to water, ice

Which of the following do you need to know in order to draw a Lewis structure?

What is the difference between a structural formula and a Lewis dot formula?

In a molecule of iodine, the two shared electrons give each iodine atom how many electrons in the outer energy level?

Resonance refers to

The predicted shape of a HF molecule is

Copper wire sinks in water because copper

In a molecule of water, how many unshared pairs of electrons exist?

Compared to dipole-dipole forces, London dispersion forces are

The theory that states the electrostatic repulsion between electron pairs surrounding an atom causes the pairs to be separated as far as possible is known as

The VSEPR theory helps to determine

Chemical Bonding - 2

Multiple-Choice ExerciseContent © 2006 Melanie Cecere; Authors of Activity: Melanie Cecere & Tami Maloney; All rights reserved. No commercial, for-profit use of this material is allowed. E-mail comments and questions to Tami Maloney.

When one s orbital and three p orbitals form four orbitals of equal energy, the result is

During hybridization of orbitals, the number of hybrid orbitals produced is equal to

A double-headed arrow placed between molecular structures indicates

Which of the following lists shows intermolecular forces in order of increasing strength?

What is responsible for the unique density of water?

CH2Cl2 has

Compared to intermolecular forces, covalent bonds are

Compared to water, ice

Which of the following do you need to know in order to draw a Lewis structure?

What is the difference between a structural formula and a Lewis dot formula?

In a molecule of iodine, the two shared electrons give each iodine atom how many electrons in the outer energy level?

Resonance refers to

The predicted shape of a HF molecule is

Copper wire sinks in water because copper

In a molecule of water, how many unshared pairs of electrons exist?

Compared to dipole-dipole forces, London dispersion forces are

The theory that states the electrostatic repulsion between electron pairs surrounding an atom causes the pairs to be separated as far as possible is known as

The VSEPR theory helps to determine

Multiple-Choice Exercise
Content © 2006 Melanie Cecere; Authors of Activity: Melanie Cecere & Tami Maloney; All rights reserved. No commercial, for-profit use of this material is allowed. E-mail comments and questions to Tami Maloney.

CH₂Cl₂ has