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OCR Gateway GCSE Combined Science A J250 — Chemistry

OCR Gateway GCSE Combined Science A J250 — Chemistry: 7 units and…

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OCR Gateway GCSE Combined Science A J250 — Chemistry course cover

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Unit 11. Particles6 lessonsUnit 22. Elements, compounds and mixtures18 lessonsUnit 33. Chemical Reactions20 lessonsUnit 44. Predicting and Identifying Reactions and Products7 lessonsUnit 55. Monitoring and Controlling Chemical Reactions7 lessonsUnit 66. Global Challenges12 lessonsUnit 77. Practical Skills6 lessons
✅ 100% free📱 Phone & laptop🧠 Short, clear lessons🎯 Instant feedback🧪 Virtual lab📈 Progress you can see👪 Easy for parents to follow📝 Exam-style practice✅ 100% free📱 Phone & laptop🧠 Short, clear lessons🎯 Instant feedback🧪 Virtual lab📈 Progress you can see👪 Easy for parents to follow📝 Exam-style practice
1

Particles

6 lessons
  1. 1.1Unit 1 overview: ParticlesFree preview12 minStudy
  2. 1.2The Particle Model12 minStudy
  3. 1.3Limitations of the Particle Model12 minStudy
  4. 1.4Atomic Models Through Time12 minStudy
  5. 1.5Atomic Structure12 minStudy
  6. 1.6Calculating the Particles12 minStudy
2

Elements, compounds and mixtures

18 lessons
  1. 2.1Unit 2 overview: Elements, compounds and mixtures12 minStudy
  2. 2.2Pure and Impure12 minStudy
  3. 2.3Relative Masses12 minStudy
  4. 2.4Empirical Formula12 minStudy
  5. 2.5Alloys12 minStudy
  6. 2.6Separation Techniques12 minStudy
  7. 2.7Chromatography12 minStudy
  8. 2.8Metals and Non-Metals12 minStudy
  9. 2.9Electronic Structure12 minStudy
  10. 2.10Ionic Bonding12 minStudy
  11. 2.11Covalent Bonding12 minStudy
  12. 2.12Giant Covalent Structures12 minStudy
  13. 2.13Polymers12 minStudy
  14. 2.14Metals12 minStudy
  15. 2.15Atomic Structure and the Periodic Table12 minStudy
  16. 2.16Carbon12 minStudy
  17. 2.17Changes of State12 minStudy
  18. 2.18Bulk Properties12 minStudy
3

Chemical Reactions

20 lessons
  1. 3.1Unit 3 overview: Chemical Reactions12 minStudy
  2. 3.2Chemical Symbols and Formulae12 minStudy
  3. 3.3Deducing Formulae Using Common Ions12 minStudy
  4. 3.4Balancing Chemical Equations12 minStudy
  5. 3.5Writing Balanced Ionic Equations12 minStudy
  6. 3.6The Avogadro Constant12 minStudy
  7. 3.7Conservation of Mass12 minStudy
  8. 3.8Using Moles to Balance Equations12 minStudy
  9. 3.9Calculating Masses from Balanced Equations12 minStudy
  10. 3.10Exothermic and Endothermic Reactions12 minStudy
  11. 3.11Calculating Energy Changes12 minStudy
  12. 3.12Oxidation and Reduction12 minStudy
  13. 3.13Oxidation and Reduction in Terms of Electrons12 minStudy
  14. 3.14Acids and Alkalis12 minStudy
  15. 3.15Neutralisation12 minStudy
  16. 3.16Effect of Hydrogen Ion Concentration on pH12 minStudy
  17. 3.17Electrolysis12 minStudy
  18. 3.18Electrolysis of Aqueous Solutions12 minStudy
  19. 3.19Reactions at Electrodes12 minStudy
  20. 3.20Half Equations12 minStudy
4

Predicting and Identifying Reactions and Products

7 lessons
  1. 4.1Unit 4 overview: Predicting and Identifying Reactions and Products12 minStudy
  2. 4.2Group 112 minStudy
  3. 4.3Group 712 minStudy
  4. 4.4Group 012 minStudy
  5. 4.5The Reactivity Series12 minStudy
  6. 4.6Predicting Reactivity12 minStudy
  7. 4.7Testing for Common Gases12 minStudy
5

Monitoring and Controlling Chemical Reactions

7 lessons
  1. 5.1Unit 5 overview: Monitoring and Controlling Chemical Reactions12 minStudy
  2. 5.2Measuring Rates12 minStudy
  3. 5.3Rate Graphs12 minStudy
  4. 5.4Change Rates12 minStudy
  5. 5.5Catalysts and Enzymes12 minStudy
  6. 5.6Equilibrium12 minStudy
  7. 5.7Le Chatelier's Principle12 minStudy
6

Global Challenges

12 lessons
  1. 6.1Unit 6 overview: Global Challenges12 minStudy
  2. 6.2Extracting Metals12 minStudy
  3. 6.3Biological Extraction Methods12 minStudy
  4. 6.4Life Cycle Assessment12 minStudy
  5. 6.5Recycling Materials12 minStudy
  6. 6.6Crude Oil and Fractional Distillation12 minStudy
  7. 6.7Cracking12 minStudy
  8. 6.8Origins of the Atmosphere12 minStudy
  9. 6.9The Greenhouse Effect12 minStudy
  10. 6.10Climate Change12 minStudy
  11. 6.11Atmospheric Pollutants12 minStudy
  12. 6.12Potable Water12 minStudy
7

Practical Skills

6 lessons
  1. 7.1Unit 7 overview: Practical Skills12 minStudy
  2. 7.2Electrolysis12 minStudy
  3. 7.3Separation Techniques12 minStudy
  4. 7.4Distillation12 minStudy
  5. 7.5Production of Salts12 minStudy
  6. 7.6Measuring Rates of Reaction12 minStudy