Chapter 2
Molecular Representations
Review of Concepts
Fill in the blanks below. To verify that your answers are correct, look in your textbook at the end of
Chapter 2. Each of the sentences below appears verbatim in the section entitled Review of Concepts and
Vocabulary.
In bond-line structures, Carbon Hydrogen atoms are not drawn.
_______atoms and most ________
functional group is a characteristic group of atoms/bonds that show a predictable behavior.
A ________________
three
When a carbon atom bears either a positive charge or a negative charge, it will have ___________,
rather than four, bonds.
In bond-line structures, a wedge represents a group coming out of the page, while a dash
______
behind the page.
represents a group _________
Curved arrows are tools for drawing resonance structures.
___________
single bond and never
When drawing curved arrows for resonance structures, avoid breaking a _______
an octet
exceed _____________ for second-row elements.
There are three rules for identifying significant resonance structures:
charge
1. Minimize ____________.
octet of
2. Electronegative atoms can bear a positive charge, but only if they possess an ________
electrons.
opposite
3. Avoid drawing a resonance structure in which two carbon atoms bear _____________
charges.
delocalized lone pair participates in resonance and is said to occupy a ____
A ______________ p orbital.
localized lone pair does not participate in resonance.
A _____________
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 2. The answers appear in the section entitled SkillBuilder Review.
SkillBuilder 2.1 Converting Between Different Drawing Styles
DRAW THE LEW IS ST RUCT URE OF T HE FOLLOW ING COMPOUND
(CH3)3COCH3
SkillBuilder 2.2 Reading Bond-Line Structures
Molecular Representations
Review of Concepts
Fill in the blanks below. To verify that your answers are correct, look in your textbook at the end of
Chapter 2. Each of the sentences below appears verbatim in the section entitled Review of Concepts and
Vocabulary.
In bond-line structures, Carbon Hydrogen atoms are not drawn.
_______atoms and most ________
functional group is a characteristic group of atoms/bonds that show a predictable behavior.
A ________________
three
When a carbon atom bears either a positive charge or a negative charge, it will have ___________,
rather than four, bonds.
In bond-line structures, a wedge represents a group coming out of the page, while a dash
______
behind the page.
represents a group _________
Curved arrows are tools for drawing resonance structures.
___________
single bond and never
When drawing curved arrows for resonance structures, avoid breaking a _______
an octet
exceed _____________ for second-row elements.
There are three rules for identifying significant resonance structures:
charge
1. Minimize ____________.
octet of
2. Electronegative atoms can bear a positive charge, but only if they possess an ________
electrons.
opposite
3. Avoid drawing a resonance structure in which two carbon atoms bear _____________
charges.
delocalized lone pair participates in resonance and is said to occupy a ____
A ______________ p orbital.
localized lone pair does not participate in resonance.
A _____________
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 2. The answers appear in the section entitled SkillBuilder Review.
SkillBuilder 2.1 Converting Between Different Drawing Styles
DRAW THE LEW IS ST RUCT URE OF T HE FOLLOW ING COMPOUND
(CH3)3COCH3
SkillBuilder 2.2 Reading Bond-Line Structures
