F4–6 (HKDSE)
Develop your chemistry through advanced models, calculations and practical work.
I · Planet Earth
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II · Microscopic World I
12 resources
Dative Covalent Bond Formation
Bonding & Molecular Structure
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3D Drawing of Diamond
Build and rotate the tetrahedral diamond network in five steps.
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3D Drawing of NaCl
Bonding & Molecular Structure
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3D Drawing of CsCl
Bonding & Molecular Structure
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3D Drawing of SiO₂ / Quartz
Bonding & Molecular Structure
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3D Drawing of Graphite
Bonding & Molecular Structure
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Metallic Bonding & Delocalised Electrons
Model metallic bonding and investigate physical properties.
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Bonding & Structure: First 36 Elements
Explore the bonding and structures of the first 36 elements.
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Bonding and Structure
Reactions & Data
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Relative Masses: Simple Calculations
Practise calculating relative molecular and formula masses.
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Ion Names & Formulae
Practise ion names and formulae, build ionic compounds and check your knowledge.
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Bonding and Structure Study Notes
Revise bonding and structure with interactive study notes, diagrams and practice tasks.
Open activity →III · Metals
4 resources
Metal Mole Calculation
Labs & Calculations
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Rusting Lab
Labs & Calculations
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Element Discovery & Reactivity Series
Explore when elements were discovered and compare their properties.
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Balancing Chemical Equations
Learn and practise balancing equations with interactive molecular models.
Open activity →IV · Acids and Bases
11 resources
Ions, Equations, Solubility & Observations
Reactions & Data
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Reactions of Alkalis Revision
Labs & Calculations
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Unit Conversion for Concentration Calculations
Concentration & Molarity
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Concentration and Molarity
Concentration & Molarity
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Concentration Food Label Comparison
Concentration & Molarity
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Molarity and pH Calculation
Concentration & Molarity
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Titration Homework Guide
Titration
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Standard Solution Calculation Revision
Titration
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Titration Lab iPad Simulation
Titration
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Solubility Rules Revision
Practise solubility rules with a speed drill, rhythm game and 15-question assessment with a downloadable report.
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Virtual Titration Simulator
Practise titration procedures, observe the end point and explore titration curves.
Open activity →V · Fossil Fuels and Carbon Compounds
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VI · Microscopic World II
2 resources
VII · Redox Reactions, Chemical Cells and Electrolysis
7 resources
Electrolysis
Reactions & Data
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Migration of Ions
Investigate how ions move during electrolysis.
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Metal Couple Cell: Electrochemical Lab
Connect metal electrodes, compare electrolytes and voltages, record results and solve a mystery-metal challenge.
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Oxidation Number
Revise oxidation-number rules, practise calculations and complete a multiple-choice assessment.
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Simple Chemical Cells
Explore lemon cells, salt bridges and porous pots in an interactive galvanic-cell simulator.
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Chemical Cells with Inert Electrodes
Explore inert-electrode cells, the electrochemical series and a revision quiz.
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Redox Concepts & Common Reagents
Practise oxidising and reducing agents, colour changes and oxidation states, then try a 25-question quiz.
Open activity →VIII · Chemical Reactions and Energy
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IX · Rate of Reaction
3 resources
Reaction Rate Diagrams
Investigate reaction rates and interpret kinetic diagrams.
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Collision Lab: Factors Affecting Reaction Rate
Compare concentration, gas pressure, temperature, solid surface area and catalysts through animated collisions.
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Blot Out: Temperature & Reaction Rate
Time the disappearing cross as sulphur forms. Investigate temperature and plot 1/time from your results.
Open activity →X · Chemical Equilibrium
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XI · Chemistry of Carbon Compounds
1 resource
XII · Patterns in the Chemical World
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XIII · Industrial Chemistry
2 resources
XIV · Materials Chemistry
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XV · Analytical Chemistry
1 resource
XVI · Investigative Study in Chemistry
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Cross-topic Revision
3 resources
HKDSE Chemistry Reaction Explorer
Explore reactions and observations, then practise with reviewed topic quizzes.
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HKDSE Chemistry Reaction Explorer (iPad)
Explore reactions and observations, then practise with reviewed topic quizzes.
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Chemistry Mistake Correction — Marking Trainer
Spot and correct chemistry mistakes. Choose topics, practise marking answers and review explanations.
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