Name _______________________________ Date __________________ Class __________________
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Modern Chemistry 51 Chemical Bonding
CHAPTER 6 REVIEW
Chemical Bonding
MIXED REVIEW
SHORT ANSWER Answer the following questions in the space provided.
1. Define and describe the range of electronegativity difference for the following
types of bonds:
ionic bond
polar covalent bond
nonpolar covalent bond
2. Define electronegativity ___________________________________________
3. chemical bond-_________________________________________
4. As bond length decreases, bond energy ___________________________
5. Distinguish among the three intermolecular forces:
a. hydrogen bond
b. dipole-dipole
c. London dispersion
Name Date Class
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Modern Chemistry 52 Chemical Bonding
4. . Use the electronegativity values shown on your periodic table to determine
whether each of the following bonds is nonpolar covalent, polar covalent, or
ionic.
a. HF
_______________ b. NaCl
c. _ HO
d.
H
H
5. How is a hydrogen bond different from an ionic or covalent bond?
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
6. Distinguish between a structural formula and a chemical formula
______________________________________________________________
7. H2S and H2O have similar structures and their central atoms belong to the
same group. Yet H2S is a gas at room temperature and H2O is a liquid. Use
bonding principles to explain why this is.
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
8. Name four elements which are exceptions to the octet rule
_______________ ______________ ____________________ ______________
9. Compare and contrast ionic and covalent compounds by completing the chart
below
Ionic Covalent
Types of elements
basic unit
Physical state at room
temperature
Melting points
Conductivity
Name Date Class
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Modern Chemistry 52 Chemical Bonding
9. Complete the following chart:
Forces: ionic bond, network covalent bond, metallic bond, hydrogen bond,
dipole-dipole, London disperion
Substance force MELTING POINT C
Bi 324
CaF2 1423
CH4 -182
water 0
Ba 727
KCl 770
HClO -5
diamond 65000(at very high
pressure)
Lewis
structure
Polar or
nonpolar
ABE Shape IMF High Med
or low
boiling
point
Solid,
liquid or
gas
PI3
CCl2O
X
HI
X
CS2
OBr2
AlCl3
Name _______________________________ Date __________________ Class __________________
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Modern Chemistry 51 Chemical Bonding
SO4--2
PO3-3
PCl5
X X