Cambridge IGCSE Chemistry

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IGCSE 化學主題：藍焰本生燈、盛著珊瑚紅、琥珀與青綠溶液的試管架、盛青綠色溶液的錐形瓶、裝滿藍色晶體的瓷碟、五球分子模型、五色酸鹼色卡與鋼柄黃銅刮勺。

Explain reactions through particles and bonding, then strengthen calculations and practical responses.

  • Explain chemical observations through particles, structure, bonding and periodic patterns
  • Build reliable equations and calculations from stoichiometric relationships and units
  • Connect inorganic and organic reactions through reagents, conditions, evidence and products
  • Explain experimental choices and distinguish measurement limitations from chemical limitations
課程重點收起課程重點

課程重點

Explain observations from particles, structure and bonding Use a microscopic model to explain properties and reactions instead of recalling disconnected facts.
Select the scale
Move between particles, equations and macroscopic observations.
Connect structure and property
Relate bonding and arrangement to melting point, conductivity and reactivity.
Use periodic patterns
Explain trends through electronic structure and supporting evidence.
 Make equations and calculations reliable Build a repeatable path from balanced equations to moles, concentration, gas volume or yield.
Balance first
Establish formulae and stoichiometric ratios before calculating.
Track units and precision
Keep conversions and significant figures visible.
Interpret the result
Relate the number to amount, composition, purity or reaction performance.
 Build reaction networks instead of isolated facts Organise inorganic and organic chemistry through reagents, conditions, observations and products.
Group related reactions
Connect acids, redox, metals, salts and electrolysis through common principles.
Map organic changes
Follow homologous series and functional-group conversions.
Use evidence
Pair observations and tests with equations and conclusions.
 Reason through practical chemistry Explain why each apparatus, procedural and safety choice is needed, then evaluate the evidence obtained.
Plan the method
Choose apparatus, range, controls, separation and safety measures.
Record observations
Separate qualitative observation from chemical interpretation.
Evaluate limitations
Identify measurement, heat-loss, incomplete-reaction or contamination effects.
課程內容收起課程內容

課程內容

Particulate nature and experimental techniques
Particle models, elements, compounds, mixtures, separation and measurement.
  • Particle model and changes of state
  • Elements, compounds and mixtures
  • Separation and purification
  • Measurement and experimental observations
Atoms, bonding and stoichiometry
Atomic structure, bonding, formulae, equations and mole calculations.
  • Atomic structure and periodicity
  • Ionic, covalent and metallic bonding
  • Formulae and equations
  • Moles, concentration and gas volume
Energetics, rates and equilibrium
Energy changes, rates, reversible reactions and equilibrium.
  • Energy changes
  • Rates of reaction
  • Reversible reactions and equilibrium
Acids, redox and periodic chemistry
Acids, bases, salts, redox, the periodic table and metals.
  • Acids, bases and salts
  • Oxidation, reduction and electrolysis
  • Periodic trends and groups
  • Metals and reactivity
Organic chemistry and analysis
Fuels, homologous series, functional groups, polymers and chemical analysis.
  • Fuels and homologous series
  • Functional groups and reactions
  • Polymers
  • Qualitative and instrumental analysis
Assessment route
Core: Paper 1 + Paper 3 + Paper 5/6; Extended: Paper 2 + Paper 4 + Paper 5/6.
  • Core: Paper 1 Multiple Choice and Paper 3 Theory
  • Extended: Paper 2 Multiple Choice and Paper 4 Theory
  • All candidates: Paper 5 Practical Test or Paper 6 Alternative to Practical
Core route: Paper 1 Multiple Choice + Paper 3 Theory + Paper 5 Practical Test or Paper 6 Alternative to Practical. Extended route: Paper 2 Multiple Choice + Paper 4 Theory + Paper 5 or Paper 6.

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每月 4 堂 每堂 90 分鐘

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HK$1,800／4堂
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