1. Principles of Chemistry
📖 Lessons in this unit — choose a lesson
Lesson 11a States of matter4 pointsLesson 21b Elements, compounds and mixtures3 pointsLesson 31c Atomic structure3 pointsLesson 41d The Periodic Table3 pointsLesson 51e Chemical formulae, equations and calculations3 pointsLesson 61f Ionic bonding3 pointsLesson 71.1 States of Matter5 pointsLesson 8Edexcel IGCSE Chemistry 4CH0 Notes — 1.1 States of Matter4 pointsLesson 91g Covalent bonding3 pointsLesson 101.2 Elements, Compounds or Mixtures (Part 1)5 pointsLesson 111.2 Elements, Compounds or Mixtures (Part 2)5 pointsLesson 121.3 Atomic Structure5 pointsLesson 131.4 The Periodic Table5 pointsLesson 141.5 Chemical Formulae, Equations, Calculations (Part 1)5 pointsLesson 151.5 Chemical Formulae, Equations, Calculations (Part 2)5 pointsLesson 161.5 Chemical Formulae, Equations, Calculations (Part 3)5 pointsLesson 171.5 Chemical Formulae, Equations, Calculations (Part 4)4 pointsLesson 181.6 Ionic Bonding5 pointsLesson 191.7 Covalent Bonding5 pointsLesson 20Edexcel IGCSE Chemistry 4CH0 Notes — 1.8 Metallic Bonding6 pointsLesson 211.9 Electrolysis5 pointsLesson 22Edexcel IGCSE Chemistry 4CH0 Notes — 1.9 Electrolysis5 pointsLesson 231b Elements, compounds and mixtures (Part 2)5 pointsLesson 241d The Periodic Table (Part 2)5 pointsLesson 251e Chemical formulae, equations and calculations (Part 2)5 pointsLesson 261e Chemical formulae, equations and calculations (Part 3)5 pointsLesson 271e Chemical formulae, equations and calculations (Part 4)5 pointsLesson 281e Chemical formulae, equations and calculations (Part 5)5 pointsLesson 291e Chemical formulae, equations and calculations (Part 6)4 pointsLesson 301f Ionic bonding (Part 2)4 pointsLesson 311g Covalent bonding (Part 2)4 pointsLesson 321.1.5 Practical: Investigate the Solubility of a Solid in Water at a Specific Temperature5 pointsLesson 331.5.10 Calculate Volumes of Gases6 pointsLesson 341.5.9 Calculate Concentrations of Solutions6 pointsLesson 351.9.1 Explaining Conductivity5 pointsLesson 361.9.2 Electrolysis Experiments5 pointsLesson 371.9.3 Writing Half-Equations5 pointsLesson 381.9.4 Practical: Investigate the Electrolysis of Aqueous Solutions5 points