Unit 3: Covalent Bonding
Lewis Structures, VSEPR, and intermolecular forces
Dates: 10/27/14 – 11/13/14
Goals:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Be able to define the vocabulary listed below.
Be able to list the diatomic molecules (there are 7).
Be able to draw electron dot diagrams and lewis structures.
Be able to predict single, double and triple bonds and how many electrons are shared in each.
Be able to identify resonance structures.
Be able to predict molecular shapes of compounds (VSEPR).
Be able to represent polarity in a structural formula.
Describe how mixtures can be separated based on polarity of substances.
Be able to calculate and Rf value in a chromatography lab.
Be able to calculate average atomic mass.
Book/Notes




9.3 Molecular structures pp 252-258
9.2 Naming molecules pp 248 – 251
9.4 Molecular shape pp 259 – 262
9.5 Electronegativity and Polarity pp 263 - 267
Vocabulary:
resonance
Electron dot
diagram
Chromatography, Linear
Rf value
Trigonal
Octahedral
bipyramidal
Single bond
Double bond
Labs/Projects:



Splatter test
Chromatography
Halloweenium
Lewis structure
Hybridization
VSEPR model
Trigonal planar
Tetrahedral
Covalent bond
Molecule
Trigonal
pyramidal
Sigma bond
Triple bond
Polar covalent
Nonpolar
covalent
Structural
formula
Bent
Pi bond
Covalent
network solid
Day 1
2
3
4
5
6
7
8
9
10
11
12
13
14
M:
10/27
T: 10/28
W:
10/29
Th:
10/30
F:
10/31
M:
11/3
T:
11/4
W:
11/5
Th:
11/6
F:
11/7
M:
11/10
T:
11/11
W:
11/12
Th:11/13
Go over test, make test corrections. Covalent naming.
Finish covalent naming. Electron dot notation and lewis structures.
Lewis structures practice.
Naming Quiz. Chromatography lab. Begin lab by reading the background and discussing procedure.
Crush and pulverize leaves.
Halloweenium and Chromatography . Calculate the average atomic mass of the element “Hw” and
identify pigments of fall leaves based upon Rf values.
VSEPR introduction.
Splatter test lab. Worksheet reinforcing intermolecular forces.
VSEPR practice and molecular geometry
VSEPR practice, molecular geometry, and vocabulary practice.
No School. PT conferences all day.
Dimensional Analysis Activity.
No School. Veteran’s day
Review stations
Test!
Homework calendar website: https://sites.google.com/a/k12.sd.us/jamietucker/Chemistry/covalent-bonding
Quizlet website: http://quizlet.com/45686784/covalent-bonding-flash-cards/ and
http://quizlet.com/45686684/covalent-naming-prefixes-flash-cards/
Wiki-Review Website http://jamietucker13.wikispaces.com/Chemistry+L
Standards:
Indicator 1: Describe structures and properties of, and changes in, matter.
9-12.P. 1.2. Students are able to describe ways that atoms combine.
9-12.P. 1.2A Students are able to predict electron configuration, ion formation, reactivity, compound formation, periodic trends, and types of
compounds formed based on the location on the Periodic Table.
9-12.P.1.6A. Students are able to perform stoichiometric calculations.
9-12.P.1.8A. Students are able to use models to make predictions about
molecular structure, chemical bonds, chemical reactivity, and polarity of molecules.
Indicator 2: Apply the skills necessary to conduct scientific investigations.
9-12.N.2.1. Students are able to apply science process skills to design and conduct student investigations.
9-12.N.2.2. Students are able to practice safe and effective laboratory techniques.