Chapter 1
A Review of General Chemistry:
Electrons, Bonds and Molecular Properties
Review of Concepts
Fill in the blanks below. To verify that your answers are correct, look in your textbook at the end of
Chapter 1. Each of the sentences below appears verbatim in the section entitled Review of Concepts and
Vocabulary.
constitutional
_____________ isomers share the same molecular formula but have different connectivity of
atoms and different physical properties.
octet rule, bonding to achieve noble gas electron
Second-row elements generally obey the _______
configuration.
lone pair
A pair of unshared electrons is called a ______________.
A formal charge occurs when an atom does not exhibit the appropriate number of
valence electrons
___________________________.
individual atom while a
An atomic orbital is a region of space associated with ____________________,
entire molecule
molecular orbital is a region of space associated with _______________.
sp3
Methane’s tetrahedral geometry can be explained using four degenerate _____-hybridized
orbitals to achieve its four single bonds.
sp2
Ethylene’s planar geometry can be explained using three degenerate _____-hybridized orbitals.
sp
Acetylene’s linear geometry is achieved via _____-hybridized carbon atoms.
The geometry of small compounds can be predicted using valence shell electron pair repulsion
lone pairs
sigma bonds and _______________
(VSEPR) theory, which focuses on the number of
exhibited by each atom.
intermolecular forces, the
The physical properties of compounds are determined by __________________
attractive forces between molecules.
dipole moments
London dispersion forces result from the interaction between transient __________________
and are stronger for larger alkanes due to their larger surface area and ability to accommodate
more interactions.
Review of Skills
Fill in the blanks and empty boxes below. To verify that your answers are correct, look in your textbook at
the end of Chapter 1. The answers appear in the section entitled SkillBuilder Review.
SkillBuilder 1.1 Determining the Constitution of Small Molecules
4
1
1
A Review of General Chemistry:
Electrons, Bonds and Molecular Properties
Review of Concepts
Fill in the blanks below. To verify that your answers are correct, look in your textbook at the end of
Chapter 1. Each of the sentences below appears verbatim in the section entitled Review of Concepts and
Vocabulary.
constitutional
_____________ isomers share the same molecular formula but have different connectivity of
atoms and different physical properties.
octet rule, bonding to achieve noble gas electron
Second-row elements generally obey the _______
configuration.
lone pair
A pair of unshared electrons is called a ______________.
A formal charge occurs when an atom does not exhibit the appropriate number of
valence electrons
___________________________.
individual atom while a
An atomic orbital is a region of space associated with ____________________,
entire molecule
molecular orbital is a region of space associated with _______________.
sp3
Methane’s tetrahedral geometry can be explained using four degenerate _____-hybridized
orbitals to achieve its four single bonds.
sp2
Ethylene’s planar geometry can be explained using three degenerate _____-hybridized orbitals.
sp
Acetylene’s linear geometry is achieved via _____-hybridized carbon atoms.
The geometry of small compounds can be predicted using valence shell electron pair repulsion
lone pairs
sigma bonds and _______________
(VSEPR) theory, which focuses on the number of
exhibited by each atom.
intermolecular forces, the
The physical properties of compounds are determined by __________________
attractive forces between molecules.
dipole moments
London dispersion forces result from the interaction between transient __________________
and are stronger for larger alkanes due to their larger surface area and ability to accommodate
more interactions.
Review of Skills
Fill in the blanks and empty boxes below. To verify that your answers are correct, look in your textbook at
the end of Chapter 1. The answers appear in the section entitled SkillBuilder Review.
SkillBuilder 1.1 Determining the Constitution of Small Molecules
4
1
1
