Science
Course: General Chemistry
Units: The Periodic Law, Bonding, Chemical Formulas and
Chemical Compounds
TEKS/Prerequisites
Guiding Questions
Assessment
/ Specificity
Designated Grading Period: Third Grading Period
Days to teach: 10 Days
Vocabulary
The Periodic Law
TEKS:
2H, 5A, B, C, 6E
(H) organize, analyze, evaluate, build
models, make inferences, and predict
trends from data
5) Science concepts. The student
understands the historical development
of the Periodic Table and can apply its
predictive power. The student is
expected to:
(A) explain the use of chemical and
physical properties in the historical
development of the Periodic Table;
(B) use the Periodic Table to identify
and explain the properties of chemical
families, including alkali metals,
alkaline earth metals, halogens, noble
gases, and transition metals; and
Resources/
Weblinks
Days to Teach: 2 Days
Guiding Questions:
2) Scientific processes. The student uses
scientific methods during laboratory and
field investigations. The student is
expected to:
Instructional
Strategies/ELPS
How is the periodic law
demonstrated within the
groups of the periodic
table?
How do electron
configurations within the
same group of elements
compare?
Which elements are
metalloids?
1.Identify the group in
which the alkaline earth
metals are found in,
then conclude which
element has the highest
ionic radius based on its
location on the periodic
table.
Periodic Law
Periodic Table
Lanthanide
Actinide
Alkali metals
Alkaline-earth metals
2.Group 17 elements
are the most reactive of
the nonmetal elements
because they?
Transition elements
Halogens
Which elements make up
the f-block on the periodic
table?
Atomic Radius
What are the main group
elements?
Ionization / Ionization
energy
What is electron affinity?
Electron affinity
Distinguish between
cation and anion.
Cation
Ionic radius
ELPS
http://ritter.tea.state.tx.us/
rules/tac/chapter074/ch07
4a.html
2H – draw and write
4K – labs
Textbook: Modern
Chemistry, Holt, 2015.
The Periodic Table
http://www.ptable.com/
Groups
http://www.learner.org/inte
ractives/periodic/groups.ht
ml
Periods
https://www.princeton.edu/
~achaney/tmve/wiki100k/d
ocs/Period_(periodic_table
).html
Electron Affinity
http://www.angelo.edu/fac
ulty/kboudrea/periodic/tren
ds_electron_affinity.htm
Anion
(C) use the Periodic Table to identify
and explain periodic trends, including
atomic and ionic radii, electronegativity,
and ionization energy.
Revised Spring 2016
Explain the trends of
atomic radii among the
main group elements.
Valence electron
Electronegativity
All Exemplar Lessons
are located on the Google
Drive – H.S. Science
Folder
Science
Course: General Chemistry
Units: The Periodic Law, Bonding, Chemical Formulas and
Chemical Compounds
TEKS/Prerequisites
Guiding Questions
Assessment
/ Specificity
6) Science concepts. The student knows
and understands the historical
development of atomic theory. The
student is expected to:
(E) express the arrangement of
electrons in atoms through electron
configurations and Lewis valence
electron dot structures.
Specificity:
The periodic law states
that the physical and
chemical properties of the
elements are periodic
functions of their atomic
numbers.
Describe the connection
between chemistry and
future careers;
Use the periodic table and
explain the properties of
chemical families;
Express electron
arrangements through
electron configuration
Explain and identify
chemical properties of
families using the periodic
table.
Use the periodic table to
identify and explain
periodic trends
Revised Spring 2016
3. As you move from
left to right across
Period 4 from Y to Cd,
the energy needed to
remove and electron
from an atom generally
increases, decreases, or
stays the same?
4.In group 2 elements
which element has the
smallest atomic radius?
Designated Grading Period: Third Grading Period
Days to teach: 10 Days
Vocabulary
Instructional
Strategies/ELPS
Exemplar Lesson
Periodic Trends
Activity
TEKS 5C
Resources/
Weblinks
APPS:
a. NOVA Elements
b. K12 Periodic Table
Science
Course: General Chemistry
Units: The Periodic Law, Bonding, Chemical Formulas and
Chemical Compounds
TEKS/Prerequisites
Guiding Questions
Assessment
/ Specificity
Designated Grading Period: Third Grading Period
Days to teach: 10 Days
Vocabulary
Instructional
Strategies/ELPS
Bonding
Days: 5
TEKS: 6E, 7B, 7C, 7D, 7E
Guiding Questions:
(6) Science concepts. The student
knows and understands the historical
development of atomic theory. The
student is expected to:
Compare and contrast
ionic, covalent and
metallic bonds.
(E) Express the arrangement of
electrons in atoms through electron
configurations and Lewis valence
electron dot structures.
What determines
whether an atom will
gain, lose, or share
valence electrons?
(7) Science concepts. The student
knows how atoms form ionic, metallic,
and covalent bonds. The student is
expected to:
Use Lewis structures and
electron configurations to
express the arrangements
of electrons
(C) construct electron dot formulas to
illustrate ionic and covalent bonds;
Illustrate ionic and
covalent bonds through
models
(D) describe the nature of metallic
bonding and apply the theory to explain
metallic properties such as thermal and
electrical conductivity, malleability, and
ductility; and
(E) predict molecular structure for
molecules with linear, trigonal planar, or
tetrahedral electron pair geometries
using Valence Shell Electron Pair
Repulsion (VSEPR) theory.
Revised Spring 2016
Resources/
Weblinks
1. What type of bond
forms between calcium
and chlorine to form
CaCl2?
Chemical Bond
Ionic bonding
Covalent bonding
2. Draw the Lewis
Structure for H2O.
Exemplar Lesson
Common Compound
Project
TEKS: 7 A, B
Nonpolar-covalent bond
3. What type of bond
features the transfer of
electrons?
Polar
4. Describe the octet
rule and the
significance of it.
Molecule
5. The Lewis Structure
of HCN contains what
type of bond(s)?
Electron-dot notation
6. Correctly illustrate
the Lewis structure for
a covalent compound.
Single bond
Polar-covalent bond
ELPS:
http://ritter.tea.state.tx.us/
rules/tac/chapter074/ch07
4a.html
2H – draw and write
4K – labs
Molecular compound
Metallic bonding
Malleability
Ductility
All Exemplar Lessons are
located on the Google Drive
– H.S. Science Folder
Electron Dot Notation
http://pages.uoregon.edu/ch111/L12
.htm
http://www.iun.edu/~cpanhd/C101w
ebnotes/chemical-bond/lewiselectron-dot.html
Lewis Structures of
Compounds
Lewis structure
Multiple bond
Textbook: Modern
Chemistry, Holt 2015
http://www.chem.ucla.edu/harding/l
ewisdots.html
Exemplar Lesson
Polyatomic Roll
TEKS 7A, B
Molecular Structure
http://intro.chem.okstate.edu/1314f0
0/lecture/chapter10/vsepr.html
APPS
a. Atom Builder
b. goREACT
c. Chemistry Formula
Practice Lite
Science
Course: General Chemistry
Units: The Periodic Law, Bonding, Chemical Formulas and
Chemical Compounds
TEKS/Prerequisites
Guiding Questions
Assessment
/ Specificity
Designated Grading Period: Third Grading Period
Days to teach: 10 Days
Vocabulary
Chemical Formulas and Chemical Compounds***
Guided Questions:
TEKS:
7A, 7B, 8C
7) Science concepts. The student knows
how atoms form ionic, metallic, and
covalent bonds. The student is expected
to:
(A) name ionic compounds containing
main group or transition metals,
covalent compounds, acids, and bases,
using International Union of Pure and
Applied Chemistry (IUPAC)
nomenclature rules;
(B) write the chemical formulas of
common polyatomic ions, ionic
compounds containing main group or
transition metals, covalent compounds,
acids, and bases
8) Science concepts. The student can
quantify the changes that occur during
chemical reactions. The student is
expected to:
(C) calculate percent composition and
empirical and molecular formulas
What is a polyatomic ion?
What are the formulas and
charges for common polyatomic
ions?
How is a chemical formula
written for each of the following:
Ionic compound, Molecular
compound?
Name and write formulas for
ionic & covalent compounds.
Name and write formulas for
molecular compounds
Using oxidation numbers
determine the subscripts of a
binary ionic compound.
Explain why some elements
have multiple oxidation
states.
Explain the difference
between empirical and
molecular formulas.
Explain why it’s important to
have many different methods
of nomenclature
Calculate percent
composition and molecular
and empirical formulas .
Instructional
Strategies/ELPS
Resources/
Weblinks
Days: 4+ (Start Sem. 1, Finish Sem. 2)
What is the proper
name for SO2?
The correct name for
CH3COONH4 is
A. ammonium
carbonate
Monatomic ion
Ionic compound
Formula unit
Polyatomic ion
B. ammonium
hydroxide
Binary compound
C. ammonium nitrate
Nomenclature
D. ammonium acetate
Oxyanion
Identify 3 common
polyatomic ions with a
-2 charge.
Salt
Write the formula of
barium chlorate?
Oxidation state
Calculate the percent
composition of PbCl2?
A compound is
83.625% carbon and
16.375% Hydrogen
with a molar mass of
388.78 amu. Calculate
the empirical and
molecular formulas.
Textbook: Modern
Chemistry, Holt, 2015.
ELPS:
http://ritter.tea.state.t
x.us/rules/tac/chapter
074/ch074a.html
1C – word walls
4F – graphic
organizers
4K – labs
Oxidation number
Formula mass
Exemplar Lesson
Moles of Chalk Lab
TEKS 8C
Percentage composition
Empirical formula
Chemical formula
Molecular formula
Exemplar Lesson
Crash Landing
Investigation
TEKS 8C
All Exemplar Lessons are
located on the Google Drive
– H.S. Science Folder
Naming Ionic Compounds
http://www.occc.edu/kmbailey/chem1115tutor
ials/Name_Ionic.htm
Naming Binary Molecular
Compounds
http://www.iun.edu/~cpanhd/C101webnotes/ch
emical-nomenclature/bimolcmpds.html
Nomenclature
http://chemed.chem.purdue.edu/
genchem/topicreview/bp/ch2/na
mes.html
Assigning Oxidation Numbers
http://www.occc.edu/kmbailey/c
hem1115tutorials/oxidation_nu
mbers.htm
Calculating Molecular Formulas
http://pages.towson.edu/ladon/e
mpiric.html
Calculating Empirical Formulas
https://www.chem.tamu.edu/clas
s/majors/tutorialnotefiles/empiri
cal.htm
*** Chemical formulas and naming compounds topics can be split and carried over to start the 4th grading period as a campus planning decision.
Revised Spring 2016