Chemistry 3 2023 - 2024

Website:       E-mail: akeller [at] scarboroughschools . org
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Course Overview Documents
Meeting the Challenges of Chemistry
Lab Safety Rules
FIO Class Motto
How to Study
Chemistry-3 Procedures
Exam Wrapper
Late Work
Formative Assessments
Lab Report Writing Information (html)
Real Life Chemistry Assignments
Questions Day
Doing Science
Extension Labs: Beyond Basic Chemistry
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Course Overview

In this course you will learn about some of the important topics in chemistry. We will start with some essential math skills and use these to cover such topics as density, atomic structure, the nature of light, nuclear chemistry, molecular structure, moles, chemical reactions, and gases.

What to Bring to Class

  1. binder
  1. pencil or pen
  1. basic scientific calculator


The grading policy of Chemistry-3 is designed to reflect how much work you put into learning. If you put in the effort to learn the material you will do well. Your grade will be based on the following categories.


Homework Assignments may take a variety of forms. You may be asked to complete a handout from class, read and do work from your textbook, or take a practice quiz online. All of these are given a grade that reflects the degree of completion. If it is 100% complete, you earn a 100. If it is missing for any reason or it is incomplete your grade may be as low as zero.

Lab Assignments are written work that may take either of two forms. A formal lab report is a multi-page report requiring specific content and layout. Another type of lab assignment will consist entirely of answering designated pre-lab and post-lab questions in a typed document. This second type of assignment will be weighted at the equivalent of one half the weight of a formal report. Labs will be collected mostly in digital form and are expected to be turned in on time unless prior arrangements have been made.

Unless specifically given as group work all lab assignments must be done by each individual student. Students may not work together, may not share answers, and may not copy one another’s work.

A Quiz will be a short assessment of usually one page that will show whether or not you have mastered the skills and understood the concepts in a given lesson. They are practice for the final quarter test. All material in quizzes will be on the test.

The final quarter Test will be comprehensive, covering everything you have learned in class. A useful way to study is to correct your mistakes on quizzes and to focus on things you did not understand the first time you took an assessment.

Missing Class

If you are tardy or miss class you must present me with an absence slip from the main office. This will clearly indicate whether it was excused or unexcused. If you come to class without one you will be asked to go to the office to obtain it.

If you miss class, and it is an excused absence, then you may make up the work you missed. You must see me before class starts or after it has ended and ask for the work. It is your responsibility to find out what you missed and to do it. You must complete the work no later than the due date plus the number of days absent or the usual late penalties will apply.

Late Work

Lateness is not acceptable unless you were absent and have shown me proper documentation to prove your absence was excused. Arrangements to hand in work missed when absent must be made at the first class meeting upon your return. Late work is subject to a penalty of 15 points on a 100 point assignment. Incomplete work handed in late will not be accepted. Key point: If you think you may not be able to avoid handing your work in late then speak to me at least one full day before the due date to see whether arrangements can be made. See the separate late work policy page for more details.

Lab Safety

Safety is of paramount importance in the lab. Warnings of particular hazards will be given in the introduction to each lab activity. Students will be reminded once of safety rules. Students who do not heed such reminders will have to sit out the lab and take a zero.


If you are struggling, make an effort to come and see me. In my experience this one action can improve your understanding (and your grades) immensely. One of the most important ways to improve your grade in my class is to do well on tests and quizzes. In order to encourage you to come in for help with your preparation I will offer 5% in extra credit points on a quiz if you come in at least once to study in my room during AEAST and actively ask me questions. You must do this at least one full day before the quiz date. This is a great opportunity to get together with friends to come in and ask questions and study together.

Books used in this course

Introductory Chemistry, Nivaldo J. Tro. Pearson, ©2018.
POGIL Activities for High School Chemistry, Laura Trout, editor. Flinn Scientific, Inc. ©2012

page break


First Quarter
and Time
incl. Handouts and Problems
Lab(s) Quiz/Test
Scientific Notation
Read Ch. 02 Measurement and Problem Solving, 2.1 - 2.4
Group Activity: Scientific Notation
Homework: Scientific Notation
Scientific Notation Study Guide
POGIL: “Significant Digits and Measurement”
Lab: Equipment Scavenger Hunt
Lab: Observing a Candle
Sample Images for Observing a Candle
Graphing to Find Proportions
Lab: Measurement and Variation
Precision vs. Accuracy
Quiz on Scientific Notation
Dimensional Analysis
and Handling Data

Read Ch. 01 The Chemical World and
Ch. 02 Measurement and Problem Solving 2.5 - 2.11
Group Activity: Dimensional Analysis
Activity: Dimensional Analysis Part 1
Activity: Dimensional Analysis Part 2
Activity: Dimensional Analysis Part 3
Homework: Dimensional Analysis 1
Homework: Dimensional Analysis 2
Activity: Metrics
Evaluating Web Sources of Information
Lab: Measurement for Area and Volume
Lab: Metrics Measurements and the Thickness of Copy Paper
Bunsen Instructions
Home-Inquiry Connection Lab: Can Crush
Quiz on Dimensional Analysis
Quiz on Metrics
Read Ch. 02 Measurement and Problem Solving, 2.10 Density
Group Activity: Density
Homework: Density
Graphing for Density

Demo: Density Ball
Lab: Density
Quiz on Density
Quarter 1 Test
Second Quarter
and Time
incl. Handouts and Problems
Lab(s) Quiz/Test
Density and Classification of Matter
and Ch. 03 Matter and Energy, 3.1 - 3.7
POGIL: “Classification of Matter”
Modeling the Molecular Level
Homework: Classification of Matter: Elements, Compounds and Mixtures
Homework: Classification of Matter: Phases of Matter
Misconception Probe: Bubbles in Boiling Water
Misconception Probe: Between the Particles of a Gas
Book Problems: 31 - 44
Optional Lab: Comparing Dry Ice and Water Ice
Class Activity: Solids, Liquids and Gases using PhET Simulator
Lab: Classification of Matter
Quiz on Classification of Matter
Atomic Structure, Isotopes, and Ions
Read Ch. 04 Atoms and Elements, 4.1 - 4.8
POGIL: “Isotopes”
POGIL: “Ions”
Atomic Structure and the Periodic Table
Atomic Structure Homework
Book Problems: 33 - 36, 41, 49, 51 - 66, 73 - 79, 85, 87 - 95 odd
Formative Assessment for Atomic Structure
Lab: Build an Atom
Quiz on Atomic Structure
Average Atomic Mass
Read Ch. 04 Atoms and Elements, 4.9 Atomic Mass
POGIL: “Average Atomic Mass”
Group Activty: Average Atomic Mass
Average Atomic Mass homework
Reading Assignment about the Practical Uses of Isotopes
Book Problems: 97 - 101
Lab: PhET Isotopes and Atomic Mass
Lab: Atomic Mass and Average Atomic Mass
Home-Inquiry: Crystals
Quiz on Average Atomic Mass
Molecular Compound Names and Formulas
Read Ch. 05 Molecules and Compounds, 5.1 - 5.6, 5.8, and 5.11
POGIL: Naming Molecular Compounds
Activity: Chemical Nomenclature of Molecular Compounds
Homework: Naming Molecular Compounds
Additional Practice and Review
Book Problems, Ch. 05: 25, 27 - 29, 33 - 55 odd, 71 - 76, 83 - 90
  Quiz on Molecular Compound Names and Structures
Quarter 2 Test

page break
Third Quarter
and Time
incl. Handouts and Problems
Lab(s) Quiz/Test
Molecular Compound Structures
Read Ch. 10 Chemical Bonding, 10.1 - 10.7
How to Draw Lewis Diagrams
Molecules to Draw Lewis Diagrams for
Solutions to the Above Exercises
Homework: Drawing Lewis Diagrams
Molecule Shapes with PhET Simulator
Lewis Diagrams, VSEPR for in-class use
Homework: Structures of Molecular and Ionic Compounds
Book Problems, Ch. 10: 23 - 43 odd, 46 - 60 even, 62 - 76 even
Building Models and VSEPR Shapes (using model kits)
Lab: Glurch and Oobleck a fun activity in which the properties of colloids and polymers are investigated.
Quiz on Molecular Compound Structures
Chemical Nomenclature
and Electrolytes

Read Ch. 05 Molecules and Compounds, 5.5 - 5.10
POGIL: “Naming Ionic Compounds”
POGIL: “Polyatomic Ions”
Chemical Nomenclature and Types of Compounds
Chemical Formulas Combinations
Chem Formulas Hmwk 1
Additional Naming Practice Problems
Advanced Chemical Formulas Combinations
Chem Formulas Hmwk 2
Book Problems: Ch. 5, 32 - 52 even, 59 - 70, 77, 78, 93 - 99 odd
Activity: Graphing Solubility as a Function of Temperature

Useful Nomenclature Resources:

Here is a big-picture flow-chart to help you determine whether a compound is ionic or molecular and how to name it no matter what it is. It is available as a PDF download at this link: Inorganic Nomenclature Flow Chart. A useful reference for ion names is the ions reference sheet I created. Also: Alternate Ions Reference Handout

Useful links from
Cations/Anions List
Nomenclature Basics
How to Name Cations
How to Name Anions
Big Picture Flowchart for Compounds

Lab: PhET Sugar and Salt Solutions
Exploring Conductivity before the Lab
Lab: Conductivity using Vernier Probes
Real Life Chemistry of Marshmallows
Quiz on Nomenclature and Electrolytes
The Mole
Read Ch. 06 Chemical Composition, 6.1 - 6.5
POGIL: “Relative Mass and the Mole”
Activity: The Mole
POGIL Summary: Relative Mass and the Mole
Moles Practice Calculations
Homework Assignment: The Mole and Molar Mass
Homework: Quick Moles Calculations
Book Problems: 21 - 30, 57 - 67 odd
Lab: Moles, Molecules, and Grams
Lab: Moles of Chalk in a Drawing
Lab: Identifying Elements
Lab: The Size of an Aluminum Atom
Quiz on the Mole
Quarter 3 Test

page break
Fourth Quarter
and Time
incl. Handouts and Problems
Lab(s) Quiz/Test
Chemical Equations and
Types of Reactions

Read Ch. 07 Chemical Reactions
PhET Balancing Chemical Equations
Balancing Chemical Equations
POGIL: “Types of Chemical Reactions”
Practice with Chemical Equations
Homework for Balancing Chemical Equations
Word Equations for Chemical Equation Balancing
Prep for Predicting Products
Predicting Products of Chemical Reactions
Book Problems: 1 - 6, 31 - 55 odd, 77 - 91 odd
Helper Handout for Lab: Classifying Chemical Reactions
Lab: Classifying Chemical Reactions
Classifying Chemical Reactions, further information
Demo: Sodium Reacts with Water
Demo: Preparation and Properties of Hydrogen Gas
Quiz on Chemical Equations
Read Ch. 08 Quantities in Chemical Reactions, 8.1 - 8.6
Demo: Stoichiometry
Stoichiometry Start-up
POGIL: “Mole Ratios”
Activity: Stoichiometry
Homework: Stoichiometry
Additional Stoichiometry Problems (no LR)
Stoichiometry Summary Activity (no LR)

Inquiry Activity: Limiting Reactant Demonstration
POGIL: “Limiting and Excess Reactants”
Activity: Stoichiometry with Limiting Reactant and Percent Yield
Homework: Stoich. w/LR and % Yield
Additional Stoichiometry Problems
Stoichiometry Summary: A Reflection Activity
Demonstration: Dancing Flames
Book Problems: 2 - 9, 15 - 25 odd, 31 - 37 odd, 43 - 49 odd, 57 - 67 odd
Lab: Stoichiometry Inquiry
Lab: Paint Pigments
Quiz on Stoichiometry
Light, the Electromagnetic
Spectrum, and Atoms

Read Ch. 09 Electrons in Atoms and the Periodic Table, 9.1 - 9.4
POGIL: “Coulombic Attraction”
POGIL: “Electron Energy and Light”
Activity: Wave on a String
Group Activity: Light
Homework: Read about the Electromagnetic Spectrum
Homework: Light
Additional Problems: Light
Activity: Graphing Wavelength, Frequency and Energy
Book Problems: 30 - 42
PhET Simulation about Balloons and Static Electricity
“Travoltage” PhET Simulation
Lab: Electrified Objects
Van de Graff Generator Demonstration
Microwave Speed of Light
Pre-lab: Flame Tests due on the first day of the lab
Lab: Flame Tests
Lab: Flame Tests “At Home”
Pre-lab: Atomic Emission lamps due on the day of the lab
Lab: Atomic Emission Lamps
Quiz on Light
Electron Configuration
Read Ch. 09 Electrons in Atoms and the Periodic Table, 9.5 - 9.8
POGIL: “Electron Configurations”
POGIL: “Cracking the Periodic Table Code”
Electron Configuration Table
Activity: Electron Configuration
Homework: Electron Configuration
Homework: Waves vs. Particles
Book Problems: 39 - 75 odd, 91 - 93, 96, 97
Lab: Silver Mirror Quiz on Electron Configuration
Read Ch. 11 Gases, 11.1 - 11.8
POGIL: “Gas Variables”
Activity: Gas Laws as Proportions
Book Problems: 1 - 15, 27 - 31 odd, 33 - 39 odd, 43 - 55 odd, 61 - 69 odd
Lab: Boyle’s Law with Vernier Probe Quiz on Gases
Nuclear Chemistry
Read Ch. 17, Radioactivity and Nuclear Chemistry
POGIL Activity: Types of Radiation
POGIL Activity: Types of Radioactive Decay
POGIL Activity: Alpha and Beta Decay Sims
POGIL Activity: Nuclear Equations
Watch these Crash Course Videos about Nuclear Chemistry: and
Homework: Nuclear Chemistry Crash Course
Group Activity: Half-life Basics
Homework: Nuclear Chemistry
Book Problems: 7 - 18, 24 - 30, 43 - 45, 51 - 56, 59 - 65 odd, 69, 74 - 77, 79 - 83, 85
PhET Alpha Decay Simulation
PhET Beta Decay Simulation
PhET Simulation for Nuclear Fission
PhET Radioactive Dating Game
Lab: Geiger Counter
Half-life with PhET Simulation (by Chris Bires)
Lab: Ice Cream
Quiz on Nuclear Chemistry
Quarter 4 Test
Review for Semester 2

Useful Tools

A scientific calculator
for chemistry including a table of useful constants and a molar mass calculator: just enter the chemical formula.
A timer
Periodic Table (PDF) from
Periodic Table colored by groups
A Reference Sheet of Common Atomic and Polyatomic Ions

Other items which may be used this year.
Pre-lab for Size of a Molecule
Lab: Size of a Molecule
Lab: Hard Water an investigative style lab in which you must create your own procedure.
Lab: Intro to the Bunsen Burner
Lab: Salt, Ice, and the Coldest Mixture
Here are a few documents to give group work some shape and definition so that it can be a self-regulating learning tool:
Group Work Definitions

A few useful links Chemistry Textbook
Chemistry Links
Periodic Table (PDF) from
Periodic Table Image suitable for printing
Periodic Table colored by groups from
A Reference Sheet of Common Atomic and Polyatomic Ions
Examples of Chemistry Problems
Vapor Pressure of Water Data
A fully-functional scientific calculator for chemistry including a table of useful constants.
A Partial Bibliography of works consulted
And here’s a useful download: a program that will quickly and easily convert units for you. Download and unzip to use.

Teachers and other Professionals:

This material is copyrighted but I grant permission for in-classroom use. Please give the URL and not copies to other teachers. Only pages directly downloaded may be used, do not distribute paper copies. Requirement for use: send me an email and give me feedback on your success with these materials.
a a r o n . a . k e l l e r [at] g m a i l . c o m
You will have to remove the spaces to use this address.

Last updated: Nov 01, 2023       Home
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