Name:
Honors Bonding Unit Review Guide
Test Date: Tuesday, February 24, 2015
Part A: Vocabulary
1.
2.
3.
4.
5.
6.
Valence electron
HONC Rule
Isomer
structural formula
molecular formula
Octet rule
7. Compound
8. Formula
9. Subscript
10. Polar/ Nonpolar/ionic
11. Dipole
12. Orbital hybridization
13. VSEPR
14. Domain
15. Bonding pairs
16. Lone pairs
Part B: Ionic vs. Covalent Compounds
Property
Melting point
Ionic
Covalent
Conductivity
Physical characteristics
Forms ions?
Electrolyte?
How bond forms
Elements present in bonds
Range of electronegativity for
bond type
Example
Diagram
Part C: Identify the symbols # of valence electrons, charges, electro negativities, and Lewis structures
for the following elements.
Element
Fluorine
Hydrogen
Beryllium
Symbol
# of valence
electrons
How many eneeds to be
stable
Lewis structure
Part D: Electronegativity
1. Describe the trend for electronegativity on the periodic table.
2. For the pairs of elements listed below, use the charts to determine their bond type.
Element #1’s
Electornegativity
Ca=
S=
H=
Element #2
Electornegativity
O=
F=
I=
Bond Type
3. Which type of compounds have
dipole moments?
4. I used polar bears, penguins, and ice cream cones to describe the differences between the 3
types of bonds. Create your own analogy to describe the three types of bonds.
Part : Covalent Bonding Naming & Writing Formulas
Write the correct formula for the following:
1. Dichlorine heptafluoride
2. Sulfur hexafluoride
3. Diarsenic trioxide
4. Tetracarbon pentoxide
Write the correct name for each of the formulas listed below:
5. C7S5
7. P9O10
6. HCl
8. P2O3
1. Draw the Lewis Structures for the two possible isomers for C2H4Cl2.
2. For each type of bond, identify the number of electrons being shared:
a. single:
b. double:
c. triple:
3. What shape does a molecule that has three bonded atoms and one lone pair around the central atom
have?
4. Which of the following statements is FALSE?
a. A tetrahedral molecule uses sp3 hybridization.
b. Sulfur can share more than four pairs of electrons with other atoms.
c. Ca would form an ionic bond with S.
d. Two atoms can share four pairs of electrons.
5. Draw the Lewis Structures for the following molecules or ions. Then identify the shape and bond angle.
a.) IF5
b.) CN-1
c.) H2S
d.) SiO2
9. Draw the Lewis structure for the following molecules. Label each bond with a dipole moment if the
bond is polar covalent. Then identify if the molecule is polar or nonpolar.
a) CH3Cl
b) BCl3
c) N2