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Chemistry cover artwork
  1. A Level
  2. Chemistry Edexcel

Chemistry

Spec 9CH0

Browse Edexcel A Level Chemistry lessons, questions, and revision tools. Free access to past papers from 2018–2025 with mark schemes. Edexcel A Level Chemistry (9CH0) is a Level 3 qualification regulated by Ofqual, taken by students aged 16–18. It covers atomic structure and bonding, energetics, kinetics and equilibria, inorganic chemistry, organic chemistry, and analysis, with a strong focus on applying chemical principles and interpreting experimental data. The course is a linear qualification graded A*–E, typically 360 guided learning hours, with first assessment in 2017.

Atomic Structure and the Periodic Table

Atomic structure

Periodicity

Bonding and Structure

Bonding

Structure

Intermolecular forces

Redox I

Oxidation states and redox equations

Inorganic Chemistry and the Periodic Table

The elements of Groups 1 and 2

The elements of Group 7

Analysis of inorganic compounds

Formulae, Equations and Amounts of Substance

Formulae and equations

Amount of substance

Titrations

Gas volumes and ideal gas

Organic Chemistry I

Organic nomenclature and isomerism

Alkanes

Alkenes

Halogenoalkanes

Modern Analytical Techniques I

Mass spectrometry

Infrared spectroscopy

Energetics I

Enthalpy changes

Hess cycles

Calorimetry and bond enthalpies

Kinetics I

Rates and rate experiments

Equilibrium I

Equilibrium constants and Le Chatelier's principle

Equilibrium II

Kc and Kp equilibria

Acid-base Equilibria

pH and strong acids

Ka and weak acids

Buffers

Acid-base titrations

Energetics II

Lattice energy and Born-Haber cycles

Entropy

Gibbs free energy

Redox II

Electrode potentials

Electrochemical cells

Redox titrations

Transition Metals

Transition metal principles

Complex ions and ligand substitution

Transition metal reactions and catalysis

Kinetics II

Rate equations

Reaction mechanisms and activation energy

Organic Chemistry II

Chirality

Carbonyl compounds

Carboxylic acids and derivatives

Organic Chemistry III

Arenes

Amines, amides, amino acids and proteins

Organic synthesis

Modern Analytical Techniques II

Mass spectrometry II

NMR spectroscopy

Chromatography

Assessment at a glance

AssessmentFormatDurationMarksWeighting
Paper 1Written exam1h 45m90 marks30%
Paper 2Written exam1h 45m90 marks30%
Paper 3Written exam2h 30m120 marks40%
Practical endorsementNon-exam assessment——Pass/fail

All topics

Atomic Structure and the Periodic Table

Atomic structure

Periodicity

Bonding and Structure

Bonding

Structure

Intermolecular forces

Redox I

Oxidation states and redox equations

Inorganic Chemistry and the Periodic Table

The elements of Groups 1 and 2

The elements of Group 7

Analysis of inorganic compounds

Formulae, Equations and Amounts of Substance

Formulae and equations

Amount of substance

Titrations

Gas volumes and ideal gas

Organic Chemistry I

Organic nomenclature and isomerism

Alkanes

Alkenes

Halogenoalkanes

Modern Analytical Techniques I

Mass spectrometry

Infrared spectroscopy

Energetics I

Enthalpy changes

Hess cycles

Calorimetry and bond enthalpies

Kinetics I

Rates and rate experiments

Equilibrium I

Equilibrium constants and Le Chatelier's principle

Equilibrium II

Kc and Kp equilibria

Acid-base Equilibria

pH and strong acids

Ka and weak acids

Buffers

Acid-base titrations

Energetics II

Lattice energy and Born-Haber cycles

Entropy

Gibbs free energy

Redox II

Electrode potentials

Electrochemical cells

Redox titrations

Transition Metals

Transition metal principles

Complex ions and ligand substitution

Transition metal reactions and catalysis

Kinetics II

Rate equations

Reaction mechanisms and activation energy

Organic Chemistry II

Chirality

Carbonyl compounds

Carboxylic acids and derivatives

Organic Chemistry III

Arenes

Amines, amides, amino acids and proteins

Organic synthesis

Modern Analytical Techniques II

Mass spectrometry II

NMR spectroscopy

Chromatography

Course aims & skills

Edexcel A Level Chemistry builds the skills examiners reward. By the end of the course you should be able to:

  • recall scientific facts, terms, definitions and units
  • apply knowledge and understanding to unfamiliar situations
  • interpret, analyse and evaluate experimental data
  • plan investigations and evaluate methods and conclusions
  • carry out the required practicals and describe the techniques
  • use and rearrange equations, and work with significant figures
  • process data with appropriate maths skills
  • construct and read graphs, tables and diagrams
  • build and communicate evidence-based scientific arguments

Frequently Asked Questions