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SS1: CHEMISTRY - 1ST TERM

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  1. Introduction to Chemistry and Laboratory Apparatus | Week 1
    5 Topics
    |
    1 Quiz
  2. Nature of Matter | Week 2
    3 Topics
    |
    1 Quiz
  3. Separation Techniques I | Week 3
    1 Topic
  4. Separation Techniques II | Week 4
    5 Topics
    |
    1 Quiz
  5. Particulate Nature of Matter I | Week 5
    5 Topics
    |
    1 Quiz
  6. Particulate Nature of Matter II | Week 6
    9 Topics
    |
    1 Quiz
  7. Symbols, Formulae & Oxidation Number | Week 7
    7 Topics
    |
    1 Quiz
  8. Laws of Chemical Combination | Week 8
    4 Topics
    |
    1 Quiz
  9. Chemical Equation & Chemical Combination (Chemical Bonding) I | Week 9
    4 Topics
    |
    1 Quiz
  10. Chemical Combination (Chemical Bonding) II | Week 10
    4 Topics
    |
    1 Quiz
  11. Chemical Combination (Chemical Bonding) III & Shapes of Covalent Molecules | Week 11
    3 Topics
    |
    1 Quiz



Lesson Progress
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Topic Content:

  • Meaning of Intermolecular Force
  • Types of Intermolecular Forces
    • Vander Waals Forces
    • Dipole – Dipole (dipolar) Forces
    • Hydrogen Bonding
  • Boiling points of some Hydrides:

What are Intermolecular Forces?

Intermolecular Forces are attractive forces existing between covalent molecules and noble gases. They are relatively weak attractive forces when compared with electrovalent and covalent molecules.

Types of Intermolecular Forces:

1. Vander Waals forces
2. Dipole – (Dipolar) forces
3. Hydrogen bonds

Vander Waals Forces:

These are very weak intermolecular forces operating between covalent molecules. They exist in solid, liquid, and gaseous states.

 

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