Table of Contents

  1. 01
    • How to Use the Online Platform

    • Chemistry Grade 9 Subject Introduction

  2. 02
    • The Atomic Theory

    • The Discovery of Electron

    • Quiz 1

    • Radioactivity and Discovery of Nucleus

    • Atomic Number and Mass Number

    • Quiz 2

  3. 03
    • Isotopes and Average Atomic Mass

    • Worked Example & Practice Exercise

    • Quiz 1

    • Atomic Models

    • Quiz 2

  4. 04
    • The Quantum Mechanical Model

    • Practice on Quantum Mechanical Model

    • Aufbau's Principle and Diagonal Rule

    • Aufbau's Principle and Diagonal Rule

    • Noble Gas as core Electron-Configuration

  5. 05
    • Revision on Unit 1 and Solved Problems

    • Review Questions (MCQ)

    • Solved Problems on How To Determine The Average Atomic mass of Isotopes

    • Practice Questions on Electron Configuration

    • Unit - 2 - Periodic Classification of Elements

    • Mendeleev's Periodic Law

  6. 06
    • The Modern Periodic Law

    • Periods

    • Groups

    • How to Identify Periods and Groups

    • Solved Problems on Identifying Groups and Periods from Electronic Configuration

    • Periodic Classification of Elements on the Periodic Table

  7. 07
    • Chem G9 S6 L1(2015)

    • Chem G9 S6 L2(2015)

    • Chem G9 S6 L3(2015)

    • Chem G9 S6 L4(2015)

    • Chem G9 S6 L5(2015)

  8. 08
    • 2022-11-17-15-14-52

    • Chem G9 S7 L1(2015)

    • Chem G9 S7 L2(2015)

  9. 09
    • Chem G9 S8 L1

    • Chem G9 S8 L2

    • Chem G9 S8 L3.18684.22964

    • Chem Gr9 S8 L4

  10. 10
    • Chem Gr9 S9 L1(2015)

    • Chem Gr9 S9 L3(2015)

    • Chem Gr9 S9 L4(2015)

    • Chem Gr9 S9 L2 (2015)

    • Chem Gr9 S9 L5 (2015)

  11. 11
    • Chem Gr9 S10 L1 (2015)

    • Chem Gr9 S10 L2(2015)

    • Chem Gr9 S10 L4( 2015)

    • Chem Gr9 S10 L3 (2015)

    • Chem Gr9 S10 L5(2015)

  12. 12
    • Chem Gr9 S11 L1(2015)

    • Chem Gr9 S11 L2 (2015)

    • Chem Gr9 S11 L3(2015)

    • Chem Gr9 S11 L4(2015)

    • Chem Gr9 S11 L5 (2015)

  13. 13
    • CHEM G9 S12 L1

    • Chem Gr9 S12 L1 (2015)

    • Chem Gr9 S12 L2 (2015)

    • CheM Gr9 S12 L3 (2015)

    • Chem Gr9 S12 L4 (2015)

  14. 14
    • Chem Gr9 S13 L1 (2015)

    • Chem Gr9 S13 L2 (2015)

    • Chem Gr9 S13 L3 (2015)

    • Chem Gr9 S13 L4 (2015)

  15. 15
    • Chem Gr9 S14 L1 (2015)

    • Chem Gr9 S14 L2 (2015)

    • Chem Gr9 S14 L3 (2015)

    • Chem Gr9 S14 L4(2015)

    • Chem Gr9 S14 L5 (2015)

  16. 16
    • Chem Gr9 S15 L1 (2015)

    • Chem Gr9 S15 L2 (2015)

    • Chem Gr9 S15 L3 (2015)

    • Chem Gr9 S15 L4 (2015)

  17. 17
    • Chem Gr9 S16 L1(2015)

    • Chem Gr9 S16 L2(2015)

    • Chem Gr9 S16 L3(2015)

    • Chem Gr9 S16 L4(2015)

  18. 18
    • Chem Gr9 S17 L1 (2015)

    • Chem Gr9 S17 L2 (2015)

    • Chem Gr9 S17 L3 (2015)

    • Chem Gr9 S17 L4 (2015)

  19. 19
    • Che G9 S18 L1

    • Che G9 S18 L2

    • Che G9 S18 L3

    • Che G9 S18 L4

    • Che G9 S18 L5

    • Che G9 S18 L6

  20. 20
    • Chem G9 S19 L1

    • Chem G9 S19 L2

    • Chem G9 S19 L3

    • Chem G9 S19 L4

    • Chem G9 S19 L5

    • Chem G9 S19 L6

  21. 21
    • Che G9 S20 L1

    • Che G9 S20 L2

    • Che G9 S20 L3

    • Che G9 S20 L4

    • Che G9 S20 L5

  22. 22
    • Che G9 S21 L1

    • Che G9 S21 L2

    • Che G9 S21 L3

    • Che G9 S21 L4

    • Che G9 S21 L5

    • Che G9 S21 L6

    • Che G9 S21 L7

  23. 23
    • Che G9 S22 L1

    • Che G9 S22 L2

    • Che G9 S22 L3

  24. 24
    • Che G9 S23 L1

    • Che G9 S23 L2

    • Che G9 S23 L3

    • Che G9 S23 L4

    • Che G9 S23 L5

    • Che G9 S23 L6

    • Che G9 S23 L7

  25. 25
    • Che G9 S24 L1

    • Che G9 S24 L2

    • Che G9 S24 L3

    • Che G9 S24 L4

    • Che G9 S24 L5

    • Che G9 S24 L6

    • Che G9 S24 L7

    • Che G9 S24 L8

  26. 26
    • CHEM G9 S6 L1

  27. 27
    • CHEM G9 S6 L1

  28. 28
    • CHEM G9 S25 L1

  29. 29
    • CHEM G9 S26 L1

  30. 30
    • CHEM G9 S27 L1

  31. 31
    • CHEM G9 S28 L1

  32. 32
    • CHEM G9 S29L1

  33. 33
    • CHEM G9 S30 L1

  34. 34
    • CHEM G9 S31 L1

  35. 35
    • CHEM G9 S32 L1