Grade 11 Worksheets

Learning Objectives

• Identify valence electrons, bonding pairs, and lone pairs in Lewis structures.
• Construct Lewis structures for common molecules using electron-pair notation.
• Evaluate proposed Lewis structures by comparing formal charges.+ Show more

Learning Objectives

• Explain how atomic orbitals combine to form molecular orbitals
• Compare bonding and antibonding orbitals by formation and relative energy
• Distinguish conductors, semiconductors, and insulators using band gaps+ Show more

Learning Objectives

• Calculate moles from molarity and solution volume in litres
• Determine unknown solution concentrations using titration data
• Apply balanced chemical equation mole ratios to reaction calculations+ Show more

Learning Objectives

• Explain how intermolecular attractions influence vapour pressure and boiling point.
• Compare how molecular size and polarity affect boiling behaviour.
• Interpret phase diagrams to describe physical states under changing conditions.+ Show more

Learning Objectives

• Define limiting and excess reagents in chemical reactions
• Use balanced equations to compare reactant mole ratios
• Identify the limiting reagent from available reactant quantities+ Show more

Learning Objectives

• Explain how ionic, covalent, and metallic bonding affect material properties.
• Compare conductivity, melting point, hardness, and solubility across materials.
• Interpret bonding models to explain diamond and graphite properties.+ Show more

Learning Objectives

• Use balanced equations to determine acid-base neutralization mole ratios.
• Calculate moles using molarity and solution volume in litres.
• Determine unknown reagent volumes, concentrations, and masses using stoichiometry.+ Show more

Learning Objectives

• Explain how polyprotic acids release protons in successive steps
• Interpret stepwise acid dissociation constants and compare their relative values
• Identify buffer regions and equivalence points on titration curves+ Show more

Learning Objectives

• Explain how electron-group repulsion determines molecular geometry
• Identify five common electron-group geometries and their ideal angles
• Distinguish bonding pairs from nonbonding electron pairs+ Show more

Learning Objectives

• Write equilibrium expressions for weak acid and base dissociation.
• Compare acid and base strengths using Ka, Kb, pKa, and pKb.
• Calculate conjugate-pair equilibrium constants using the relationship Ka × Kb = Kw.+ Show more

Learning Objectives

• Define molar concentration using moles per litre
• Calculate moles from mass and molar mass
• Determine solution concentration using consistent measurement units+ Show more

Learning Objectives

• Define electronegativity and explain its role in covalent bonding
• Describe electronegativity trends across periods and down groups
• Distinguish polar covalent bonds from nonpolar covalent bonds+ Show more

Learning Objectives

• Identify initial pH, buffer regions, inflection points, and equivalence points.
• Compare equivalence-point pH values across common acid-base titrations.
• Interpret the half-equivalence point of a weak acid titration.+ Show more

Learning Objectives

• Distinguish strong acids from weak acids by their ionization.
• Compare ion formation by strong and weak bases in water.
• Explain the difference between acid strength and concentration.+ Show more

Learning Objectives

• Define theoretical yield, actual yield, and percent yield accurately
• Calculate theoretical yield using a balanced chemical equation
• Identify the limiting reagent from available reactant quantities+ Show more

Learning Objectives

• Explain atomic radius trends across periods and down groups
• Compare ionization energy trends across periods and down groups
• Describe how atoms form cations and anions+ Show more

Learning Objectives

• Distinguish molecular, complete ionic, and net ionic equations
• Identify spectator ions in aqueous chemical reactions
• Apply solubility rules to predict precipitate formation+ Show more

Learning Objectives

• Explain how bond polarity and bond strength influence acid strength
• Compare oxyacid strength using oxidation states and molecular structure
• Describe how electronegativity stabilizes conjugate bases+ Show more

Learning Objectives

• Calculate hydrogen ion concentration from a given pH
• Calculate hydroxide ion concentration from a given pOH
• Determine pH and pOH from ion concentrations+ Show more

Learning Objectives

• Use VSEPR theory to predict molecular shapes.
• Explain how molecular geometry affects permanent molecular polarity.
• Distinguish London dispersion, dipole-dipole, and hydrogen bonding.+ Show more

Learning Objectives

• Identify the locations, charges, and roles of subatomic particles.
• Determine electron configurations from atomic numbers.
• Explain how valence electrons influence ion formation and reactivity.+ Show more

Learning Objectives

• Define ionic strength using ion concentrations and electric charges.
• Explain how ionic strength influences ion activity.
• Describe the role of activity coefficients in non-ideal solutions.+ Show more

Learning Objectives

• Explain how temperature changes can influence solubility.
• Distinguish dissolved ions from precipitates and mineral scale.
• Describe how water composition can influence corrosion.+ Show more

Learning Objectives

• Explain atomic radius trends across periods and down groups
• Compare ionization energy with electronegativity
• Predict cation and anion formation from periodic trends+ Show more

Learning Objectives

• Identify the analyte, titrant, indicator, endpoint, and equivalence point.
• Explain how titration determines an unknown solution concentration.
• Calculate acid concentration using titration volumes and stoichiometric ratios.+ Show more

Learning Objectives

• Distinguish electrolytes from nonelectrolytes in aqueous solutions
• Compare strong and weak electrolytes by their ionization
• Explain how ion concentration and mobility affect conductivity+ Show more

Learning Objectives

• Calculate moles of dissolved solute from concentration and volume.
• Determine solution volume using molar concentration and moles.
• Apply balanced chemical equations to calculate reactant and product quantities.+ Show more

Learning Objectives

• Compare electron transfer, sharing, and delocalisation in chemical bonds
• Describe ionic lattices, covalent molecules, and metallic structures
• Explain electrical conductivity using mobile ions and electrons+ Show more

Learning Objectives

• Explain how electronegativity differences produce partial charges in covalent bonds.
• Represent bond dipoles as vectors pointing toward more electronegative atoms.
• Compare molecular polarity using molecular geometry and bond dipole cancellation.+ Show more

Learning Objectives

• Explain how permanent molecular dipoles produce intermolecular attractions.
• Predict how molecular orientation affects dipole–dipole attraction.
• Describe how temperature influences favourable molecular alignment.+ Show more

Learning Objectives

• Distinguish unsaturated, saturated, and supersaturated solutions
• Explain dynamic equilibrium between dissolved particles and excess solid
• Predict how temperature and evaporation can promote precipitation+ Show more

Learning Objectives

• Interpret solubility curves to determine solute solubility at different temperatures
• Distinguish unsaturated, saturated, and supersaturated solutions using graph positions
• Compare temperature effects on the solubility of solid salts and gases+ Show more

Learning Objectives

• Distinguish mass percent, volume percent, and parts per million
• Calculate mass percent using solute mass and total solution mass
• Calculate volume percent using solute and solution volumes+ Show more

Learning Objectives

• Interpret balanced chemical equations to determine industrial mole ratios
• Calculate theoretical yields and percentage yields from reaction data
• Explain how limiting and excess reactants affect production+ Show more

Learning Objectives

• Explain how electronegativity differences affect electron distribution
• Compare the polarity of water and carbon dioxide
• Interpret molecular geometry and bond dipoles to predict polarity+ Show more

Learning Objectives

• Explain how Avogadro’s number relates moles to representative particles
• Convert between sample mass and amount using molar mass
• Calculate representative particle counts from amounts in moles+ Show more

Learning Objectives

• Explain how conjugate acid-base pairs resist changes in pH.
• Predict buffer responses to small additions of acid or base.
• Relate buffer composition and pKa to effective pH range.+ Show more

Learning Objectives

• Explain how temperature changes particle kinetic energy.
• Compare temperature effects on solid solubility and gas solubility.
• Interpret how enthalpy of solution relates to solubility.+ Show more

Learning Objectives

• Identify the components of the Henderson–Hasselbalch equation
• Calculate buffer pH using pKa and concentration ratios
• Interpret how conjugate base-to-acid ratios affect buffer pH+ Show more

Learning Objectives

• Define empirical formulas as simplest whole-number atomic ratios.
• Convert elemental masses and percentages into mole amounts.
• Calculate empirical formulas by simplifying elemental mole ratios.+ Show more

Learning Objectives

• Calculate unknown acid concentrations using titration measurements.
• Apply balanced chemical equations to determine stoichiometric mole ratios.
• Distinguish equivalence points from indicator endpoints in titrations.+ Show more

Learning Objectives

• Explain how pH relates to hydrogen ion concentration
• Classify aqueous solutions as acidic, neutral or basic at 25°C
• Calculate pH from hydrogen ion concentration+ Show more

Learning Objectives

• Define degree of dissociation for a weak acid or base
• Calculate degree of dissociation from initial and ionized amounts
• Convert degree of dissociation to percent dissociation+ Show more

Learning Objectives

• Distinguish complete and incomplete combustion using reaction products
• Calculate stoichiometric oxygen requirements for methane combustion
• Interpret coefficients in balanced combustion equations+ Show more

Learning Objectives

• Identify mole ratios from balanced equations involving gaseous substances.
• Apply the ideal gas law to relate pressure, volume, moles, and temperature.
• Explain how temperature and pressure affect gas volume.+ Show more

Learning Objectives

• Explain how balanced equations demonstrate conservation of atoms
• Balance chemical equations using stoichiometric coefficients
• Classify synthesis, decomposition, displacement, and combustion reactions+ Show more

Learning Objectives

• Identify observable evidence of chemical reactions in experimental situations
• Distinguish chemical reactions from physical changes using observations
• Explain how precipitate formation can remove dissolved ions+ Show more

Learning Objectives

• Explain how respiratory and circulatory systems support gas transport
• Describe how the renal system regulates blood volume
• Compare nervous signaling with endocrine signaling+ Show more