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SS2: CHEMISTRY - 2ND TERM

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  1. Water & Solution I | Week 1
    10 Topics
    |
    1 Quiz
  2. Water, Solution and Solubility | Week 2 & 3
    9 Topics
    |
    1 Quiz
  3. Air | Week 4
    4 Topics
    |
    1 Quiz
  4. Pollution | Week 5
    6 Topics
    |
    1 Quiz
  5. Rate of Chemical Reaction | Week 6 & 7
    6 Topics
    |
    1 Quiz
  6. Energy and Energy Effect I | Week 8 & 9
    7 Topics
    |
    1 Quiz
  7. Energy and Energy Effect II | Week 10 & 11
    6 Topics
    |
    1 Quiz
  8. Chemical Equilibrium | Week 12
    8 Topics
    |
    1 Quiz
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Topic Content:

  • Structure of Water

Water is formed when two atoms of hydrogen and one atom of oxygen are covalently bonded together. 

\( \scriptsize 2H_{2(g)} \;+\; O_{2(g)} \; \rightarrow \; 2H_20_{(l)} \)

The structure of water is V-shaped and the bond angle is 105°C. This is because the two bond pairs are brought about by the repulsion of two lone pairs of electrons.

structure of water
Structure of water

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