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AS Level · Free notes & worksheets
AS Chemistry Notes and Worksheets
Supercharge your AS Level Chemistry studies with Mega Lecture! Gain access to our extensive collection of free, high-quality AS Chemistry Notes and Worksheets designed specifically for AS level students. Level up your understanding and achieve top grades with our valuable resources. Begin your path to excellence now and download your free AS Level Chemistry materials!”
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Free, complete AS & A Level Chemistry (Cambridge 9701) resources from Mega Lecture — full topic notes, worksheets, MCQs and marking schemes for every part of the syllabus, organised by topic across physical, inorganic and organic chemistry. Every file is a downloadable PDF, no sign-up required.
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Revision & Reference
12 files
Revision guides, the data booklet, syllabus, definitions and overview notes.
- Important AS Chemistry Definitions
- List Definition Chemistry
- All Mechanisms Organic
- A Level Chemistry Edexcel Sample
- Organic Chemistry As
- Physical Chemistry As
- Energetics Enthalpydefinitions — Worksheet
- All Mechanisms Organic 1
- Cambridge International AS And A Level Chemistry Revision Guide
- Syllabus
- Chemistry Data Booklet
- AS All In One Revision Notes
Physical Chemistry
Atomic Structure & Electrons
19 files
- Atomic Structure Notes 1
- Electronic Configuration Notes 1
- Atomic Structure
- Electrons In Atoms
- Atomic Structure As
- Atomic Structure — Questions
- Atomic Structure — Marking scheme
- Atomic Structure And Chemical Bonding
- Atomic Structure And Chemical Bonding — MCQs
- Exercise Atomic Symbols — Worksheet
- Exercise Electronic Configuration — Worksheet
- Exercise Ionisation Energies — Worksheet
- Exercise — Answers
- Notes — Worksheet
- Notes — Marking scheme
- Atomic Structure — Worksheet
- Atomic Structure — Answers
- Electronic Configuration — Worksheet
- Electronic Configuration — Answers
Atoms, Molecules & Stoichiometry (Moles)
37 files
- Moles — Worksheet
- Shapes Of Molecules Notes
- Moles And Equations
- Atoms Molecules And Stoichiometry
- Atoms Molecules And Stoichiometry 1
- Atoms Moles And Stoichiometry
- Moles — Questions
- Moles — Marking scheme
- Shape Molecules — Worksheet
- Hesscycleformula — Worksheet
- Drawing Hess Cycle — Worksheet
- Theory Moles Topical 2 — MCQs
- Atoms Molecules And Stoichiometry 2
- Moles
- Theory Moles Topical 1 — MCQs
- Theory Moles Topical — MCQs
- Exercise Using Moles And Reacting Masses — Worksheet
- Exercise Solutions — Worksheet
- Exercise Ideal Gas Equation1 — Worksheet
- Exercise Empirical And Molecular Formulae — Worksheet
- Exercise Ionic Equations — Worksheet
- Exercise More Complex Calculations — Worksheet
- To Exercises 2 — Answers
- Notes — Worksheet
- Notes — Marking scheme
- Shapes Of Molecules — Worksheet
- Shapes Of Molecules — Answers
- Moles And Mass — Worksheet
- Moles And Mass — Answers
- Moles And Solutions — Worksheet
- Moles And Solutions — Answers
- Moles And Stoichiometry — Worksheet
- Moles And Stoichiometry — Answers
- Moles And Volume — Worksheet
- Moles And Volume — Answers
- Overall Chem Calculations — Worksheet
- Overall Chem Calculations — Answers
Chemical Bonding & Structure
24 files
- Covalent Bonds Notes
- Intermolecular Forces Notes
- Bonding Notes 1
- Chemical Bonding
- Lattice Energy
- Chemical Bonding 2
- Chemical Bonding Qp
- Chemical Bonding — Marking scheme
- Exercise Dot Cross Diagrams — Worksheet
- Exercise Electronegativities — Worksheet
- Exercise Molecular Shapes — Worksheet
- Exercise Shapes Polarity And Intermolecular Forces — Worksheet
- Exercise Structure And Bonding Summary 1 — Worksheet
- Exercise Structure And Bonding Summary Ii — Worksheet
- To Exercises — Answers
- Notes — Worksheet
- Notes — Marking scheme
- Covalent Bonds — Worksheet
- Covalent Bonds — Answers
- Intermolecular Forces — Worksheet
- Intermolecular Forces — Answers
- Bonding — Worksheet
- Bonding — Answers
- Chemical Bonding And Structure
States of Matter
15 files
- States Of Matter Notes
- States Of Matter 1
- States Of Matter
- States Of Matter Question Paper
- States Of Matter Marking Scheme
- Ideal Gases — Worksheet
- Exercise Energy Changes In Chemical Reactions — Worksheet
- Exercise Bond Dissociation Energies — Worksheet
- Exercise Measuring Enthalpy Changes — Worksheet
- Exercise Formation And Combustion Equations — Worksheet
- Exercise Hess Law — Worksheet
- To Exercises — Answers
- Assessed — Worksheet
- Notes — Marking scheme
- Notes — Worksheet
Chemical Energetics
15 files
- Energetics Notes
- Enthalpy Changes
- Chemical Energetics
- Chemical Energetics As
- Energy Changes — Questions
- Energy Changes — Marking scheme
- Energetics McT — Worksheet
- Energetics Bondenergy — Worksheet
- Chemical Energetics — Marking scheme
- Exercise Rates Of Reaction — Worksheet
- Exercise Equilibrium Constants — Worksheet
- Exercise Changing The Position Of Equilibrium — Worksheet
- To Exercises — Answers
- Notes — Worksheet
- Notes — Marking scheme
Redox & Electrochemistry
14 files
- Redox Notes
- Redox Reactions And Electrolysis
- Electrode Potentials
- Electrochemistry
- Reactions For
- Test Tube Reactions In
- Exercise Redox Reactions — Worksheet
- Exercise Group 2 Chemistry — Worksheet
- Exercise Reactions Of Halogens And Halides — Worksheet
- Exercise Uses Of Chlorine And Chlorate I — Worksheet
- Exercise Qualitative Analysis — Worksheet
- To Exercises — Answers
- Notes — Worksheet
- Notes — Marking scheme
Equilibria
16 files
- Equilibria Notes
- Equilibrium
- Ionic Equilibria
- Chemical Equilibria
- Equilibria
- Le Chatelier — Worksheet
- Equilibriumconstant Kp — Worksheet
- Equilibriumconstant Kc — Worksheet
- Bronstedlowryacidsbases — Worksheet
- Exercise Formulae And Structure — Worksheet
- Exercise Nomenclature1 — Worksheet
- Exercise Isomerism — Worksheet
- Exercise Fractional Distillation Cracking And Combustion — Worksheet
- To Exercises 1 — Answers
- Notes — Marking scheme
- Notes — Worksheet
Reaction Kinetics
12 files
- Reaction Kinetics Notes
- Rates Of Reaction
- Reaction Kinetics
- Rate Of Reaction
- Exercise Chlorination Of Alkanes — Worksheet
- Exercise Addition Reactions Of Alkenes — Worksheet
- Exercise Reactions Of Haloalkanes — Worksheet
- Exercise Alcohols — Worksheet
- To Exercises — Answers
- Notes — Worksheet
- Notes — Marking scheme
- 1 — Worksheet
Inorganic Chemistry
Chemical Periodicity
9 files
Group 2
4 files
Group 17 (Halogens)
1 file
Nitrogen & Sulfur
2 files
Transition Elements
1 file
Organic Chemistry
Introduction to Organic Chemistry
6 files
Hydrocarbons (Alkanes & Alkenes)
6 files
Halogen Derivatives (Halogenoalkanes)
4 files
Hydroxy Compounds (Alcohols)
7 files
Carbonyl Compounds
3 files
Carboxylic Acids & Derivatives
6 files
Benzene & Arenes
1 file
Organic Nitrogen Compounds
1 file
Polymerisation
1 file
Analysis & Other Topics
Analytical Chemistry & Spectroscopy
3 files
Atmosphere & the Environment
1 file
Design & Materials
1 file
Other Topics
7 files
Past Papers
2 files
Frequently asked questions
Where can I download free AS Chemistry notes?
Every item above is a free PDF — click any to open or download it, no sign-up needed.
Which syllabus do these follow?
They are aligned to the Cambridge International AS & A Level Chemistry 9701 syllabus.
Do you include worksheets and marking schemes?
Yes — each topic groups its notes, worksheets, MCQs and marking schemes together.
Are these really free?
Yes, completely free. You can also book a free demo lecture below.
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