User manual

Chapter 1

What this app is for

Chemistry explains what everything is made of, and how one substance turns into another — and it is a subject many pupils find hard to learn alone. This app teaches it one short lesson at a time, with a drill after every lesson and an explanation after every answer.

It is for learners of about twelve and over, adults included. Each examination course has its own parts, written at that course's level. AP Chemistry, Cambridge IGCSE Chemistry, Cambridge AS & A Level Chemistry, IB Diploma Chemistry and the chemistry parts of Ghana JHS Science, and Ghana SHS Chemistry, are complete — every course planned is in the app:

• AP Chemistry, following the College Board's Course and Exam Description, topic by topic. In the app now.
• Cambridge IGCSE Chemistry (0620), following Cambridge International's syllabus. Lessons that only Extended candidates need say (Extended). In the app now.
• Cambridge International AS & A Level Chemistry (9701), in four AS Level parts and three A Level parts. In the app now.
• IB Diploma Programme Chemistry, at both levels: lessons marked (HL) are for Higher Level students only. In the app now.
• Ghana JHS Science — the chemistry parts (NaCCA Common Core Programme, B7 to B9). JHS Science is Integrated Science, so a pupil still needs a school book for its other parts. In the app now.
• Ghana SHS Chemistry (NaCCA, SHS 1 to 3), one part for each year. In the app now, all three years.

Have a calculator ready

Many questions need a short calculation. The numbers are chosen to work out neatly, but a calculator, a periodic table and a piece of paper help. Each course uses the data its own examination gives, such as its own relative atomic masses.

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Chapter 2

Getting started

Put it on your home screen

The app runs in a web browser, but it is meant to live on the home screen like any other app. On Android, open it in Chrome, tap the three dots and choose Add to Home screen or Install app. On iPhone, open it in Safari, tap the share button and choose Add to Home Screen.

Once it is there it opens full screen and works with no internet at all.

Add the first learner

Tap Add a learner, then give a first name, an age and a picture. No email is asked for, and the free trial starts at once. Before it ends the app shows the plans; when it ends it offers a few more free days, once. A grown-up's email is asked for only if you choose to pay, because the receipt goes there.

Every lesson, from the first day

Nothing is locked. The lessons are numbered in the order the course is usually taught — that is guidance, not a gate. A pupil revising for an examination can go straight to the topic their class is on.

A good routine

One lesson and its drill a day, five days a week. Read every page, do the drill with a pencil in hand, and read the explanation after every answer — including the ones you got right.

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Chapter 3

The courses

Each course is listed here, with what it covers and how many lessons it has. All six courses are in.

Part	What it covers
⚛️ AP Chemistry 1 31 lessons	The College Board's AP Chemistry course (Course and Exam Description effective fall 2024), units 1 to 3. It begins with the course and the exam, and with measurement, significant figures and error. Unit 1, Atomic Structure and Properties: moles, mass spectra, empirical formulas, mixtures, Coulomb's law and shells, electron configurations, photoelectron spectroscopy, periodic trends and ionic charges. Unit 2, Compound Structure and Properties: bond types, bond length and energy, ionic solids, metals and alloys, Lewis diagrams, resonance and formal charge, shapes, hybridisation and polarity. Unit 3, Properties of Substances and Mixtures: intermolecular forces, solids, liquids and gases, the gas laws and kinetic molecular theory, real gases, molarity, chromatography and distillation, solubility, spectroscopy, photons and Beer's law.
🔥 AP Chemistry 2 28 lessons	Units 4 to 6. Unit 4, Chemical Reactions: physical and chemical change, net ionic equations, particle drawings, stoichiometry, titration, reaction types and oxidation numbers, Brønsted–Lowry acids, and half-reactions. Unit 5, Kinetics: rates, rate laws, integrated rate laws and half-life, elementary steps, collisions, energy profiles, mechanisms and catalysts. Unit 6, Thermochemistry: endothermic and exothermic change, heat transfer, calorimetry, phase changes, enthalpy of reaction, bond enthalpies, enthalpies of formation and Hess's law.
⚖️ AP Chemistry 3 34 lessons	Units 7 to 9. Unit 7, Equilibrium: dynamic equilibrium, Q and K, ICE tables, Le Châtelier's principle, Ksp and the common-ion effect. Unit 8, Acids and Bases: pH, strong and weak acids and bases, titration curves, acid strength, indicators, buffers and the Henderson–Hasselbalch equation. Unit 9, Thermodynamics and Electrochemistry: entropy, Gibbs free energy, free energy and equilibrium, coupled reactions, galvanic and electrolytic cells, cell potential and Faraday's law.
🧪 AP Chemistry labs 22 lessons	AP has no practical paper, so this teaches the labs and the exam questions set in a lab: the notebook, designing an experiment, reading apparatus, graphs and linearising, error and claims; then fourteen labs worked in full — Beer's law, chromatography, a hydrate, a gas over water, gravimetric analysis, acid–base and redox titrations, a titration curve and pKa, two rate-law labs, calorimetry, equilibrium, a buffer and galvanic cells — and the common mistakes.

AP Chemistry has 93 lessons and 874 questions in all. The exam gives students a periodic table and a sheet of equations and constants, and the lessons use the same values.

Part	What it covers
🔬 IGCSE Chemistry 1 11 lessons	Cambridge IGCSE Chemistry 0620 (syllabus for exams in 2026 to 2028), topics 1 and 2. It begins with the papers, Core and Extended, and the units the exam uses. States of matter, kinetic particle theory and heating curves, diffusion; elements, compounds and mixtures, atomic structure, isotopes, and ionic, covalent, giant covalent and metallic bonding.
⚗️ IGCSE Chemistry 2 12 lessons	Topics 3 and 4: formulae and equations, ionic formulae, relative masses, the mole, gas volumes, concentration and titration calculations, empirical formulae and percentages; electrolysis, electroplating, half-equations and fuel cells.
⏱️ IGCSE Chemistry 3 10 lessons	Topics 5 and 6: exothermic and endothermic reactions and bond energies; physical and chemical change, rates and collision theory, reversible reactions, equilibrium, the Haber and Contact processes, and redox.
🧪 IGCSE Chemistry 4 9 lessons	Topics 7 and 8: acids, bases, indicators and pH, oxides, making salts; the Periodic Table, Group I, Group VII, transition elements and noble gases.
⛏️ IGCSE Chemistry 5 11 lessons	Topics 9 and 10: metals and alloys, the reactivity series, rusting, the blast furnace and aluminium; water, fertilisers, air pollution and climate change.
🛢️ IGCSE Chemistry 6 14 lessons	Topics 11 and 12: organic formulae and names, fuels, alkanes, alkenes, alcohols, carboxylic acids and polymers; apparatus and titration, chromatography, separation, and the tests for ions and gases.
🧪 IGCSE Chemistry practical: Papers 5 and 6 21 lessons	The practical papers taught properly, whether your school sits Paper 5 at the bench or Paper 6 on paper: reading thermometers, cylinders, gas syringes and burettes (to half a division), tables, graphs, observations and the words examiners want, variables and safety; then eleven experiments worked in full — rates, a titration, temperature changes, displacement, electrolysis, making salts, chromatography, identifying unknown substances, a cooling curve and a whole plan — and the mistakes examiners see every year.

IGCSE Chemistry has 67 lessons and 647 questions. It uses the exam's own values: relative atomic masses as whole numbers (chlorine 35.5), and 24 dm³ for a mole of gas at room temperature and pressure.

Part	What it covers
💠 AS Chemistry 1 23 lessons	Cambridge International AS & A Level Chemistry 9701 (syllabus for exams in 2025 to 2027), topics 1 to 4. It begins with the five papers and the data booklet. Atoms, isotopes, orbitals and ionisation energies; relative masses, the mole and calculations; bonding, σ and π bonds, shapes of molecules and intermolecular forces; ideal gases and structures.
🌡️ AS Chemistry 2 17 lessons	Topics 5 to 8: enthalpy changes, calorimetry, bond energies and Hess's law; oxidation numbers and redox; equilibrium, Kc and Kp, the Haber and Contact processes, acids and titration curves; rates, the Boltzmann distribution and catalysts.
🧂 AS Chemistry 3 12 lessons	Topics 9 to 12: Period 3 elements, oxides and chlorides; Group 2; the halogens, halide ions and chlorine; nitrogen, ammonia, oxides of nitrogen and acid rain.
🌿 AS Chemistry 4 23 lessons	Topics 13 to 22 and Paper 3: names, isomers and mechanisms; alkanes, alkenes, halogenoalkanes, alcohols, aldehydes and ketones, acids and esters, nitrogen compounds, addition polymers and synthesis; infrared and mass spectra; practical skills and the qualitative analysis notes.
🔋 A Level Chemistry 1 18 lessons	Topics 23 to 26: Born–Haber cycles, hydration, entropy and Gibbs free energy; electrolysis, electrode potentials and the Nernst equation; pH, weak acids, buffers, solubility product and partition; rate equations, half-lives, mechanisms and catalysts.
💎 A Level Chemistry 2 9 lessons	Topics 27 and 28: why Group 2 compounds decompose and dissolve as they do; transition elements, ligands and complexes, colour, redox titrations, isomers of complexes and stability constants.
💊 A Level Chemistry 3 23 lessons	Topics 29 to 37 and Paper 5: benzene and arenes, phenol, acidity, acyl chlorides, amines, amides and amino acids; condensation polymers and synthesis; chromatography, carbon-13 and proton NMR; planning and evaluating experiments.
🧪 Cambridge Chemistry practical: Paper 3 22 lessons	The practical exam, taught properly: burettes, pipettes and readings, tables, errors and graphs; ten titration, enthalpy, rate and gas experiments worked in full; and four lessons of qualitative analysis (cations, anions and gases, organic tests, a whole observation question) following the syllabus's own notes.
📝 Cambridge Chemistry planning: Paper 5 18 lessons	Planning, analysis and evaluation: defining the problem, apparatus, quantities and hazards, processing data and percentage errors, conclusions and evaluation, with ten plans worked in full.

AS & A Level Chemistry has 125 lessons and 1,190 questions. A pupil taking the AS Level alone needs only the four AS parts. It uses the values in the exam's data booklet: relative atomic masses to one decimal place, 24.0 dm³ for a mole of gas at room conditions and 22.4 dm³ at s.t.p., and standard conditions of 298 K and 101 kPa.

Part	What it covers
🎈 IB Chemistry 1 14 lessons	IB Diploma Programme Chemistry (first assessment 2025), Structure 1. It begins with SL and HL, the papers and the data booklet, then measurement and uncertainties. The particulate nature of matter; the nuclear atom, emission spectra and electron configurations; the mole; ideal gases.
🔗 IB Chemistry 2 13 lessons	Structure 2: ionic, covalent and metallic bonding; Lewis formulas, shapes, polarity, network structures and intermolecular forces; chromatography; resonance, formal charge and hybridization (HL); the bonding triangle, alloys and polymers.
🗂️ IB Chemistry 3 18 lessons	Structure 3: the periodic table, periodic trends, oxides and oxidation states; transition elements and colour (HL); organic formulas, functional groups, names and isomers; stereoisomers and mass, infrared and NMR spectra (HL).
⚡ IB Chemistry 4 11 lessons	Reactivity 1: measuring enthalpy changes, bond enthalpies and Hess's law; formation, combustion and Born–Haber cycles (HL); fuels, biofuels and fuel cells; entropy and Gibbs energy (HL).
📊 IB Chemistry 5 12 lessons	Reactivity 2: reacting quantities, yield and atom economy; rates, collision theory and catalysts; mechanisms, rate equations and the Arrhenius equation (HL); equilibrium, Le Châtelier's principle and equilibrium calculations.
🔄 IB Chemistry 6 21 lessons	Reactivity 3: acids, bases and pH; pOH, Ka, indicators and buffers (HL); redox, voltaic and electrolytic cells; electrode potentials and electrolysis of solutions (HL); radicals; nucleophiles and electrophiles, and the SN1, SN2 and electrophilic mechanisms (HL).
🧪 IB Chemistry practical work and the IA 24 lessons	IB practical work taught properly: the Tools and the Inquiry process, measuring and propagating uncertainty, graphs with uncertainty bars, technology and the Tool 1 techniques; the internal assessment, one lesson for each of its four criteria, with weak and strong extracts of our own (the app never writes or marks an IA — it must be the student's own work); then twelve investigations worked in full, from colorimetry and titration to an Arrhenius plot, and the common mistakes.

IB Diploma Chemistry has 89 lessons and 998 questions, one part for each of the IB's six topics. SL and HL students share the parts: a lesson marked (HL) is for Higher Level students only, and some lessons for everyone have a page headed "HL only" and questions starting "HL:", which an SL student can skip. It uses the IB data booklet's values: relative atomic masses to two decimal places, 22.7 dm³ for a mole of gas at STP (273 K and 100 kPa), SI units in PV = nRT, and lattice enthalpies given as positive numbers.

Part

What it covers

🇬🇭 Ghana JHS Science (the chemistry parts) 19 lessons

The chemistry topics of the NaCCA Common Core Science curriculum, in the order they are taught. B7 (JHS 1): solids, liquids and gases; useful materials; the first 20 elements; metals, non-metals and noble gases; the water cycle. B8 (JHS 2): mixtures and separating them; atoms; electron arrangement, ions and molecules; the carbon cycle; climate change. B9 (JHS 3): compounds at home; formulas of compounds; acids, bases and salts; the pH scale; chemical bonds; the nitrogen cycle; the green economy.

The chemistry parts of Ghana JHS Science have 19 lessons and 192 questions, written for pupils of about 12 to 15 preparing for the BECE. JHS Science is Integrated Science, and this is not the whole BECE course: living things, the human body, farming, soils and rocks are left to the school book and the teacher, and the physics parts are in Wake Physics.Learning.Ap. The first lesson says so. Names follow Ghanaian school books and WAEC, such as carbon(IV) oxide for carbon dioxide, with British spelling.

Part	What it covers
📘 Ghana SHS Chemistry 1 40 lessons	NaCCA's SHS Chemistry curriculum (2023), Year 1. It begins with the course, the WAEC names and the data used. Laboratory safety and the scientific method; Dalton, Thomson, Rutherford and Bohr; quantum numbers and electron configurations; radioactivity and half-life; the mole, formulae, equations, reacting quantities and yield; the kinetic theory and the gas laws; preparing gases; solubility and the tests for cations and anions; the periodic table and periodic trends; ionic, covalent and metallic bonding and intermolecular forces; purifying and analysing organic compounds; homologous series.
📗 Ghana SHS Chemistry 2 40 lessons	Year 2: enthalpy changes, calorimetry, Hess's law, Born–Haber cycles and bond energies; rates, collision theory, rate equations and half-life; equilibrium, Le Chatelier, the Haber and Contact processes, Kc, Kp and Ksp; acid–base theories, strong and weak acids, salts and titrations; period 3 and its compounds, thermal stability and the halogens; shapes of molecules, hybridisation, sigma and pi bonds, diamond and graphite; organic reactions, alkanes and crude oil, alkenes, alkynes, benzene, alkanols and alkanoic acids.
📙 Ghana SHS Chemistry 3 27 lessons	Year 3: pH and pOH, weak acids and Ka, buffers, salt hydrolysis and indicators; redox, the reactivity series, oxidising and reducing agents and redox titrations; electrode potentials, electrochemical cells and batteries, electrolysis, Faraday's laws and corrosion; transition elements and their complexes; the derivatives of alkanoic acids, fats and oils, soap and detergents; proteins, carbohydrates and polymers.
🧪 WASSCE Chemistry practical: Paper 3 22 lessons	WAEC's practical paper taught properly: burette readings, the titration table and concordant titres, calculations set out step by step, and Test / Observation / Inference; then fifteen worked practicals — acid–base titrations, molar mass and water of crystallisation, percentage purity, the double-indicator titration set in Ghana, tetraoxomanganate(VII) and iodine–thiosulphate titrations, cations, anions, a mixture of two salts, the halogens, organic tests, standard solutions, heat of neutralisation and rates — and the mistakes WAEC's examiners report.

Ghana SHS Chemistry has one part for each year of SHS, because a pupil is in one year at a time. Every lesson shows the curriculum's own number, such as 1.1.1 CS2 LI4 (year, strand, sub-strand, content standard, learning indicator). It uses the names WAEC uses, such as tetraoxosulphate(VI) acid, with the everyday name alongside, and WASSCE's data: 22.4 dm³ for a mole of gas at s.t.p.

Topic numbers

Every lesson that serves a course shows its topic number on its first page — for example AP Chemistry (College Board): 1.3 — so a teacher can match a lesson to the topic being taught. A few topics are split into two lessons where there is a lot to learn.

Formulae and equations

Chemical equations and formulae for calculations are shown in a box, one to a line, exactly as they are written in the course.

Drawn pictures

A lesson that needs a picture has one, drawn under the words on that page with a line underneath saying what it shows.

The pictures are drawn by the app itself rather than downloaded, so they cost nothing to fetch, they appear with the connection dead, and they stay sharp whether the app is on a small phone or a projector.

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Chapter 4

How a lesson and its drill work

Read the pages

Tap a lesson and its pages appear one at a time — Next page and Back move between them. On the last page, Start the drill appears. A learner who already knows the lesson can tap I know this — go straight to the drill from any page.

Two kinds of question

Kind	What the learner does
Choose the answer	Reads the question, works it out, and taps one of four answers. The wrong answers are the mistakes pupils really make — forgetting a square, mixing up sine and cosine, leaving out a direction — so guessing does not pay.
Put the steps in order	Taps the steps of a method — solving a projectile problem, for example — in the right order. Each right step is numbered; the first wrong tap ends the question and the right order is shown.

Paper to work it out on

Chemistry calculations are worked out on paper, so any question with numbers in it has a yellow pencil button in its top corner. Tapping it opens a sheet of squared paper with the question written across the top. The learner writes on it with a finger or a pen — Rubber takes a stroke away, Undo takes back the last one, Clear wipes the sheet — and Back to the question returns to the answers. Nothing written there is saved or marked: the paper is wiped when the next question comes, exactly as a rough sheet is. On a phone with a stylus, a hand resting on the screen will not draw.

Why it is right — every time

After every answer, right or wrong, the app shows the right answer and why it is right, usually with the working. Nothing moves on by itself: the learner reads the explanation and taps Next question. A drill that only says “wrong” teaches a learner to guess faster.

Mistakes come back

About four in ten questions in a round are drawn from what that learner has missed before, so weak spots are practised until they are secure. Mixed revision on the home screen draws questions from every lesson the learner has started.

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Chapter 5

The screens explained

The grown-up check

Reports, Settings, Support and the class dashboard sit behind a multiplication question. It is not security; it simply stops a report or a setting being changed by accident.

The home screen

Points, drills done, best score and the day streak sit at the top. Below them, Go straight to a part has a button for every course, and under each course's lessons Back to the list of parts brings you back up. Then comes Mixed revision, then the lessons grouped by course. Each lesson tile shows its number, how many pages and questions it has, and — once drilled — the percentage right so far.

My chart

Scores over time, seconds per question, a bar for each lesson, and the lesson board: every lesson, course by course — green where it is secure, yellow nearly there, pink needing more work, plain not started.

Questions I miss

The questions this learner gets wrong most often, hardest first, with a button to practise exactly those. Use it twice a week.

Settings

Setting	What it does
Questions per round	5, 10, 15 or 20. A lesson's drill never repeats a question to fill a round, so a short lesson gives a shorter drill.
Sounds	Turns the tones off. Useful in a classroom.
Animations	Turns off movement.
Bring back questions I missed more often	Weaves past mistakes back into rounds. Leave it on.
Way of speaking and voice	Kept for later. The lessons are not read aloud yet.

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Chapter 6

Reports, and using it in a class

The report is written from the learner's own recorded answers. It shows drills done, accuracy, lessons started and secure, each course and each lesson, a chart, the questions missed most with the point each one teaches, and recommendations. You can print it, save it as a PDF, email it or send it on WhatsApp.

Reading the numbers honestly

Understanding matters more than speed, and chemistry calculations take time to work out. A dip in recent scores often just means newer lessons are harder. Four or five drills must exist before a trend means anything.

In a class

With a class licence, the teacher's dashboard shows every learner on the device, sorted so whoever needs attention comes first, and what the class as a whole finds hard. It can also take a backup file sent from a learner's own phone, so home practice appears with the class. A teacher using Wake Mark.Book.Ap can bring the weekly drill marks into their mark book.

Sending a report

The app shows the words with a Copy button, and you paste them wherever you like. Copy first and nothing can be lost.

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Chapter 7

Plans and activation codes

A licence belongs to the household or the classroom, not to one learner. A family paying for three learners is never asked to pay again for the second.

Activation codes

Schools can receive a code after payment. Enter it on the plans screen. You need internet for this one step: a code is checked with our server the first time it is used. After that the app works with no internet, for as long as the plan lasts.

When a plan ends

A warning appears a few days before. When it ends, nothing is deleted — the learner's whole history stays and returns the moment the plan is renewed.

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Chapter 8

If something goes wrong

“The learner has disappeared.”

Almost always the browser's data was cleared, or the app was opened in a different browser. Results live in the browser that made them. Restore from a backup — see the next chapter.

“I see an old version.”

Close every tab of the app and open it again, with internet on.

“My answer was close but marked wrong.”

The right answer and the wrong ones are far enough apart that careful working decides between them. Read the working in the explanation: the usual cause is a missed square, a minus sign, or a value left in kilometres or grams instead of metres or kilograms.

“The learner keeps getting the same question wrong.”

Read the explanation after the answer slowly, then go back to that lesson's pages. The app will keep bringing the question back until it is right — that is practice, not a fault.

“I think an answer in the app is wrong.”

Please tell us through Support, saying which lesson and question. Every report is checked and corrected.

“Email did something strange.”

Use the Copy the words button and paste into your email by hand.

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Chapter 9

Your results, and how not to lose them

Making a backup

Settings → Save a backup writes a small file to the device. Email it to yourself and it is safe. Do this at the end of each term, and before changing phone. To bring it back: Settings → Restore from a backup. If the learner already exists on the device, the copy with more history is kept, so restoring can never quietly lose work.

Starting a learner's scores again

Settings → Clear results wipes that learner's scores, charts, points, questions missed and which lessons have been read. The learner stays, and so does your subscription.

Erasing a learner

Settings → Erase this pupil removes that learner and all their results from the device. It cannot be undone, so save a backup first. If the subscription was bought on this learner, it goes with them — to start fresh, use Clear results instead.

Wake Chemistry.Learning.Ap · user manual · for app version 0.1. One of the Wake Learning Apps. AP is a registered trademark of the College Board, which does not endorse this app.

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