WACE Chemistry ATAR study plan
WACE Chemistry ATAR · Give each week a clear focus.
8 weeks · About 6 hours per week
Chemical reactions, stoichiometry and the mole concept
Write and balance full, ionic and net ionic equations for precipitation, neutralisation and gas-forming reactions, including state symbols.
Convert confidently between mass, moles, molar volume and concentration for solids, solutions and gases at STP and non-STP conditions.
Solve limiting-reagent and percentage-yield problems from a written description without prompts.
Perform a full titration calculation chain (average titre, moles, concentration, dilution factor) from raw data.
Your checkpoint
A 20-question self-marked problem set on stoichiometry and solution calculations, scored and error-logged, with every wrong item reworked to a correct full solution.
Structure of the atom and the periodic table & Chemical bonding and molecular shape
Explain periodic trends in atomic radius, ionisation energy, electronegativity and metallic character using shell number, nuclear charge and shielding.
Write full and condensed electron configurations and derive ion configurations for main-group elements.
Predict bond type from electronegativity difference and justify the prediction with a model of electron distribution.
Draw Lewis structures and use VSEPR to assign shapes and bond angles for up to six electron domains, including lone-pair distortions.
Relate polarity of molecules to shape and predict which substances will dissolve in water.
Your checkpoint
A one-page summary table of trends plus a set of 15 molecular shape and polarity determinations, each justified in one sentence.
Chemical reactions, stoichiometry and the mole concept & Acids, bases and salts
Classify substances as strong, weak or non-electrolytes and link this to degree of ionisation.
Perform pH, pOH and dilution calculations for strong acids and bases, and use Ka expressions qualitatively for weak acids.
Design and describe a titration procedure including indicator choice for a strong acid-weak base system and justify the choice.
Explain buffer action and hydrolysis of salts in terms of proton transfer equilibria.
Predict the products of acid-carbonate, acid-metal and acid-base reactions and write balanced equations for each.
Your checkpoint
A written practical report (600 words) for an acid-base titration including method, results table, calculation and an indicator-choice justification.
Redox reactions and electrochemistry
Assign oxidation numbers and identify oxidant, reductant, and the half-equations for a given redox reaction.
Balance complex redox equations in acidic and basic media using the half-equation method.
Construct and label galvanic cell diagrams, writing anode, cathode and overall cell equations and calculating E°cell.
Predict spontaneity from standard reduction potentials and explain the role of the salt bridge.
Explain electrolysis of molten and aqueous systems, writing electrode half-equations and predicting products.
Your checkpoint
A completed redox and electrochemistry test of 15 items with half-equations, cell potentials and electrolysis predictions, self-marked against a written answer key.
Thermochemistry and energy changes & Rates of reaction and chemical equilibrium
Calculate enthalpy change from calorimetry data and from Hess's law cycles, including bond-energy and formation-enthalpy routes.
Draw and interpret potential energy profiles for exothermic and endothermic reactions with and without a catalyst.
Apply collision theory to explain the effect of concentration, temperature, surface area, pressure and catalyst on rate.
Write and manipulate equilibrium constant expressions and use Le Chatelier's principle to predict the direction of shift.
Solve equilibrium calculations for Kc and for simple ICE-table problems.
Your checkpoint
A two-part worked portfolio: three Hess's law and calorimetry problems plus three equilibrium calculations, each with a labelled energy diagram or ICE table.
Organic chemistry and functional groups
Identify and name functional groups including alkanes, alkenes, alcohols, aldehydes, ketones, carboxylic acids, esters, amines and amides using IUPAC conventions.
Draw and name structural isomers for a given molecular formula, including chain and position isomers.
Predict the products of addition, substitution, oxidation, esterification and condensation reactions and write balanced equations.
Distinguish primary, secondary and tertiary alcohols and predict their oxidation products.
Explain the physical properties of organic families in terms of hydrogen bonding and chain length.
Your checkpoint
A functional-group identification and reaction-prediction worksheet of 25 items, fully named and balanced, with a short isomer set for one formula.
Chemical reactions, stoichiometry and the mole concept & Redox reactions and electrochemistry & Organic chemistry and functional groups
Solve integrated problems combining organic reaction equations with mole and yield calculations.
Combine redox half-equations with stoichiometric calculations for titrations involving permanganate or dichromate.
Interpret unfamiliar data sets and experimental descriptions to identify the underlying concept being tested.
Manage time by completing a mixed-topic set under timed conditions.
Your checkpoint
A timed 90-minute mixed-topic practice paper covering stoichiometry, redox and organic chemistry, marked and error-analysed by topic.
Chemical analysis and laboratory skills & Structure of the atom and the periodic table & Chemical bonding and molecular shape & Acids, bases and salts & Thermochemistry and energy changes & Rates of reaction and chemical equilibrium
Select and justify separation and identification techniques, including filtration, distillation, chromatography and spectroscopy, for given scenarios.
Evaluate experimental design for validity, reliability and accuracy, identifying sources of error and improvements.
Revise weak areas flagged in earlier error logs with targeted re-testing.
Complete a full-length mock under exam conditions and review every error.
Your checkpoint
A full-length mock exam completed under timed conditions, plus a one-page revision sheet of the five highest-frequency errors with corrected reasoning.
Milestones
Week 2: Score at least 80% on a self-made 20-item quiz covering electron configuration, periodic trends, VSEPR shapes and molecular polarity.
Week 4: Balance five redox equations in both acidic and basic media without reference notes, and correctly calculate E°cell for three galvanic cells.
Week 6: Name and draw all 25 functional-group worksheet items with at least 90% accuracy, and correctly predict oxidation products for primary, secondary and tertiary alcohols.
Week 8: Achieve at least 75% on the full-length mock and show that every error from weeks 1-7 has been reworked and logged as resolved.