Prince Edward Island · Grade 11
Chemistry, Grade 11 (CHM521A)
Prince Edward Island’s Grade 11 science course, from Working Like a Chemist to Organic Chemistry.
- Units
- 4
- Lessons
- 11
- Skills
- 28
- Provincial exam
- None
- Official curriculum
- princeedwardisland.ca
Unit by unit
Every skill in the course, numbered by unit.
Unit 1 · 8 skills
Working Like a Chemist
How Atomic Theory Evolved
Evidence, theories, and the evolving atomic model
I can explain how evidence and paradigms drove the evolution of atomic theory.
Skill 1.1
Working Safely and Measuring Well
Safe laboratory protocols and WHMIS
I can work safely in the chemistry lab and interpret WHMIS labels.
Skill 1.2
Collecting and analysing data
I can choose and apply appropriate techniques and technologies to collect and analyse chemistry data.
Skill 1.3
Measurement uncertainty and significant figures
I can express and use measurement uncertainty and report data with correct significant figures.
Skill 1.4
Argument, Design, and Decisions
Evaluating phenomena with argumentation
I can build a scientific argument using claim, evidence, and reasoning.
Skill 1.5
Designing a controlled experiment
I can design an experiment that identifies and controls its major variables.
Skill 1.6
Communicating plans, data, and results
I can communicate my chemistry plans, data, and results clearly and conventionally.
Skill 1.7
Risks and benefits of applying chemistry
I can analyse from multiple perspectives the risks and benefits of applying chemical knowledge.
Skill 1.8
The official wording · 8 outcomes
- 1.1
- the role of evidence, theories, and paradigms in the development of scientific knowledge and how it evolves as new evidence comes to light
- 1.2
- apply knowledge and understanding of safe laboratory protocols and procedures
- 1.3
- apply appropriate techniques, procedures, and technologies for collecting and analysing data to solve problems
- 1.4
- use uncertainty in data measurement and data processing
- 1.5
- evaluate scientific phenomenon using argumentation
- 1.6
- design an experiment identifying and controlling major variables
- 1.7
- use appropriate language, visual aids, and formatting conventions to effectively communicate plans, procedures, data, results, and conclusions of research and experimentation
- 1.8
- analyse from a variety of perspectives the risks and benefits of applying scientific knowledge of chemistry to society and the environment
Key ideas
Scientific theories are tested against evidence and revised, restricted, or replaced when they no longer fit.
WHMIS 2015 pictograms and labels warn of the hazards of a chemical and how to handle it.
A scientific argument links a claim to evidence through reasoning.
The atomic model evolved through Dalton, Thomson, Rutherford, Bohr, and the quantum mechanical model.
General safety guidelines apply to every activity; specific hazards apply to particular experiments.
Watch out for
- Thinking older atomic models were simply 'wrong' - each was the best fit for the evidence of its time.
- Thinking safety rules only apply to 'dangerous-looking' chemicals - every activity has protocols.
- Thinking a claim alone is an argument - it needs evidence and reasoning.
Every skill’s key ideas, worked examples and checks are in MapleMind.Practise this unit
Unit 2 · 6 skills
Stoichiometry
The Mole and Mole Conversions
The mole, molar mass, and conversions
I can convert among mass, moles, particles, and gas volume using molar mass and Avogadro's number.
Skill 2.1
Percent composition and empirical/molecular formulas
I can find percent composition and empirical and molecular formulas, including for hydrates.
Skill 2.2
Reaction Stoichiometry
Mole ratios and stoichiometric calculations
I can use mole ratios and dimensional analysis to solve reaction stoichiometry problems.
Skill 2.3
Predicting single-replacement and precipitate reactions
I can predict whether single-replacement and double-displacement reactions will proceed.
Skill 2.4
Limiting Reagent and Percentage Yield
Limiting reagent and theoretical yield
I can identify the limiting reagent and calculate the theoretical yield of a reaction.
Skill 2.5
Percentage yield
I can calculate percentage yield and explain how to maximize the yield of a process.
Skill 2.6
The official wording · 6 outcomes
- 2.1
- perform mole-mass-particle-volume calculations for pure substances
- 2.2
- perform mole-mass-particle-volume calculations for pure substances
- 2.3
- analyse chemical reactions to solve problems requiring stoichiometry
- 2.4
- analyse chemical reactions
- 2.5
- determine the percentage yield of a chemical process
- 2.6
- determine the percentage yield of a chemical process
Key ideas
A mole is 6.02 x 10^23 particles (Avogadro's number); molar mass is the mass in grams of one mole.
The coefficients in a balanced equation give the mole ratio of reactants and products.
The limiting reagent is the reactant that runs out first and caps how much product forms.
Average atomic mass is the weighted mean of an element's isotope masses by their abundance.
The Law of Conservation of Mass means atoms and mass are conserved in a balanced equation.
Watch out for
- Thinking a mole is a mass - it is a count of particles.
- Using the mass ratio instead of the mole ratio from the coefficients.
- Thinking the reactant present in smaller mass is always the limiting one - compare moles by the ratio.
Every skill’s key ideas, worked examples and checks are in MapleMind.Practise this unit
Unit 3 · 8 skills
Structure, Bonding, and Properties
Bonding, VSEPR, and Polarity
Ionic, covalent, and metallic bonding
I can explain bonding as an electronegativity continuum across ionic, covalent, and metallic substances.
Skill 3.1
IUPAC naming of polyatomic anions
I can name common polyatomic anions and their hydrogen/oxygen variations using IUPAC conventions.
Skill 3.2
VSEPR molecular shapes
I can use VSEPR to predict the shape of a simple molecule.
Skill 3.3
Molecular polarity
I can decide whether a molecule is polar from its bonds and geometry.
Skill 3.4
Intermolecular Forces and Properties
Types of intermolecular forces
I can identify and compare the strength of the intermolecular forces between molecules.
Skill 3.5
Physical properties of ionic, molecular, and metallic substances
I can compare the physical properties of ionic, molecular, and metallic substances.
Skill 3.6
Solubility Equilibrium
Solubility as a dynamic equilibrium
I can describe solubility equilibrium and explain what changes solubility.
Skill 3.7
Solubility curves and precipitate prediction
I can use solubility curves and generalizations to calculate solubility and predict precipitates.
Skill 3.8
The official wording · 8 outcomes
- 3.1
- apply various methods to visually represent ionic, covalent, and metallic substances
- 3.2
- apply various methods to visually represent ionic, covalent, and metallic substances
- 3.3
- apply various methods to visually represent ionic, covalent, and metallic substances
- 3.4
- apply various methods to visually represent ionic, covalent, and metallic substances
- 3.5
- analyse the effect of intermolecular forces on the physical properties of ionic, molecular, and metallic substances
- 3.6
- analyse the effect of intermolecular forces on the physical properties of ionic, molecular, and metallic substances
- 3.7
- apply the concept of solubility equilibrium in calculations and generalizations
- 3.8
- apply the concept of solubility equilibrium in calculations and generalizations
Key ideas
Bonding is a continuum: nonpolar covalent to polar covalent to ionic, set by electronegativity difference.
Van der Waals forces include London dispersion, dipole-dipole, and hydrogen bonding, in increasing strength.
In a saturated solution the rate of dissolving equals the rate of crystallizing - a dynamic equilibrium.
Ionic bonds transfer electrons (metal + non-metal); covalent bonds share them; metallic bonds pool valence electrons.
London dispersion forces exist between all molecules; dipole-dipole forces act between polar molecules.
Watch out for
- Thinking bonds are strictly ionic OR covalent - most fall along a continuum.
- Thinking covalent bonds break when a molecular substance boils - the intermolecular forces break.
- Thinking a saturated solution is inactive - dissolving and crystallizing continue at equal rates.
Every skill’s key ideas, worked examples and checks are in MapleMind.Practise this unit
Unit 4 · 6 skills
Organic Chemistry
Naming and Classifying Organic Compounds
Carbon and the diversity of organic compounds
I can explain why carbon forms such a large and diverse set of compounds.
Skill 4.1
Naming and classifying hydrocarbons
I can name and classify hydrocarbons and derivatives using the IUPAC system.
Skill 4.2
Structural Formulas, Isomers, and Reactions
Drawing structural formulas
I can draw structural formulas for hydrocarbons and their derivatives.
Skill 4.3
Structural and geometric isomers
I can distinguish and draw structural and geometric isomers.
Skill 4.4
Addition and substitution reactions
I can predict the products of addition and substitution reactions of hydrocarbons.
Skill 4.5
Esterification and combustion reactions
I can predict and balance the products of esterification and combustion reactions.
Skill 4.6
The official wording · 6 outcomes
- 4.1
- apply rules of nomenclature & classification as they relate to a wide variety of organic compounds
- 4.2
- apply rules of nomenclature & classification as they relate to a wide variety of organic compounds
- 4.3
- illustrate the structural formula for a variety of organic compounds
- 4.4
- illustrate the structural formula for a variety of organic compounds
- 4.5
- predict the product of a chemical reaction for select organic compounds
- 4.6
- predict the product of a chemical reaction for select organic compounds
Key ideas
Carbon forms four covalent bonds and can bond to itself in chains, branches, and rings.
A structural formula shows how atoms are connected in a molecule.
Carbon can form single, double, and triple bonds, adding to structural variety.
Condensed and line-structural formulas are shorthand for the full structural formula.
Carbon-carbon bonds are strong, giving organic compounds relatively low reactivity and many stable structures.
Watch out for
- Thinking carbon forms only single bonds - it also forms double and triple bonds.
- Thinking a molecular formula is the same as a structural formula - the structural formula shows connections.
- Thinking 'organic' means 'living' - it means carbon-based compounds.
Every skill’s key ideas, worked examples and checks are in MapleMind.Practise this unit
Plan the term
Pick your term and the days you study. Each unit gets its share of the weeks and comes back a week later for a review. The last two weeks go over the whole course.
Which course?
Prince Edward Island has 3 science courses for Grade 11. Here they are side by side.
- Biology 11 (BIO521A)4 units · 29 skillsNo provincial examWhat it coversWorking Like a Biologist · The Cell · Maintaining Dynamic Equilibrium: Homeostasis and the Body Systems · Disease and Homeostasis
- Chemistry, Grade 11 (CHM521A)This course4 units · 28 skillsNo provincial examWhat it coversWorking Like a Chemist · Stoichiometry · Structure, Bonding, and Properties · Organic Chemistry
- Physics, Grade 11 (PHY521A)5 units · 47 skillsNo provincial examWhat it coversWorking Like a Physicist · Kinematics · Dynamics · Momentum and Energy · Waves
What a university, college or program asks for is theirs to say: check its admission page, and your school’s course guide.
The official curriculum
This page follows Prince Edward Island’s own curriculum for Chemistry, Grade 11 (CHM521A).
Textbooks
The textbooks PEI Department of Education and Early Years lists for Chemistry, Grade 11 (CHM521A):
- Chemistry
From Senior High Program of Studies and Authorized Materials, 2026-2027, read October 27, 2026. princeedwardisland.ca
Study it in MapleMind
MapleMind teaches Chemistry, Grade 11 (CHM521A) one skill at a time. Each skill gets a short lesson, practice as you go and a check worth up to three stars. It remembers where you stopped.


Course Companion
Your year in one workbook
A fun way to keep Chemistry, Grade 11 (CHM521A) organized, get to know your child better and see early when they need a hand. Fill it in on a screen, or print it.
- Pages
- 30
- Fillable fields
- 1,385
- Price
- $4.99
Questions about Chemistry, Grade 11 (CHM521A)
What is Chemistry, Grade 11 (CHM521A)?
Prince Edward Island’s Grade 11 science course: 4 units and 28 skills, from Working Like a Chemist to Organic Chemistry.
What units are in Chemistry, Grade 11 (CHM521A)?
1. Working Like a Chemist, 2. Stoichiometry, 3. Structure, Bonding, and Properties and 4. Organic Chemistry.
Is there a provincial exam for Chemistry, Grade 11 (CHM521A)?
No. Prince Edward Island gives no provincial exam for Chemistry, Grade 11 (CHM521A).
What textbook does Chemistry, Grade 11 (CHM521A) use?
The textbooks PEI Department of Education and Early Years lists for Chemistry, Grade 11 (CHM521A): Chemistry, Nelson Education.
What comes after Chemistry, Grade 11 (CHM521A)?
Biology 12 (BIO621A), Human Biology 801A, Chemistry, Grade 12 (CHM621A), Environmental Science 621A and Physics, Grade 12 (PHY621A).
Can MapleMind help with Chemistry, Grade 11 (CHM521A)?
Yes. MapleMind teaches every skill of Chemistry, Grade 11 (CHM521A), step by step, with practice and checks, and its tutor answers questions about any of them. It’s free with daily limits, on iPhone, Android and the web.