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SS2: CHEMISTRY - 1ST TERM

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  1. Periodicity and Periodic Table I | Week 1
    5 Topics
    |
    1 Quiz
  2. Quantum Numbers Orbitals & Electrical Structure | Week 2
    6 Topics
    |
    1 Quiz
  3. Periodicity and Periodic Table II | Week 3
    12 Topics
    |
    1 Quiz
  4. Periodicity and Periodic Properties III | Week 4
    11 Topics
    |
    1 Quiz
  5. Periodicity and Periodic Properties IV | Week 5
    5 Topics
    |
    1 Quiz
  6. Mass-Volume Relationship in Reaction | Week 6
    8 Topics
    |
    1 Quiz
  7. Types of Reactions: Oxidation and Reduction | Week 7 & 8
    7 Topics
    |
    1 Quiz
  8. Oxidation – Reduction Reaction II | Week 9
    3 Topics
    |
    1 Quiz
  9. Electrode Potential and Electrochemical Cells I | Week 10
    6 Topics
    |
    1 Quiz
  10. Electrode Potential and Electrochemical Cells II | Week 11
    5 Topics
    |
    1 Quiz
  11. Electrolysis I | Week 12
    8 Topics
    |
    1 Quiz
  12. Electrolysis II | Week 13
    8 Topics
    |
    1 Quiz



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Topic Content:

  • Electronic Configuration and Periodic Table

In the periodic table, elements are grouped from groups 1 – 7 and 0.

In writing electronic configuration, energy levels are used, which correspond to the filling of K, L, M, and N shells. In every energy level, there exist sub-levels which represent the filling of s, p, d & f orbitals. The following electronic configuration represents the elements in the outermost shell of each group.

electronic configuration and the periodic table

Groups 1 and 2 are the s-block elements. They are the alkali and alkaline earth metals. They are the most reactive metals. Groups 3 to 7 and 0 form the p-block elements.

Periodic Table by Blocks
 Classification of periodic tables into blocks according to the filling of valence shells of electron

 

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