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Why do valency electrons involve in bond...

Why do valency electrons involve in bond formation , than electrons of inner shells ?

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VGS PUBLICATION-BRILLIANT-CHEMICAL BONDING-EXERCISE
  1. Why there is absorption of energy in certain chemical reactions and re...

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  2. Electronic configuration of X is 2, 8, 1 and electronic configuration ...

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  3. Why do valency electrons involve in bond formation , than electrons of...

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  4. Why ionic compounds dissolve in polar solution and covalent compounds ...

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  5. Predict the reasons for low melting point for covalent compounds when ...

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  6. "Covalent compounds have low melting point". What is the reason for th...

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  7. If the electronic configurations of atoms A and B are 1s^2,2s^2, 2p^6,...

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  8. If the electronic configurations of atoms A and B are 3S^2,2S^2, 2P^6,...

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  9. If the electronic configurations of atoms A and B are 1S^2,2S^2, 2P^6,...

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  10. If the electronic configurations of atoms A and B are 1s^2,2s^2, 2p^6,...

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  11. (i) Write the electron-dot structures for sodium, oxygen and magnesium...

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  12. Show in the form of a picture, the formation of Na2O and MgO.

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  13. What is hybridisation?

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  14. What are the important characteristic features of hybridisation?

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  15. Write about VSEPR theory.

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  16. Most important concept of valence bond theory is

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  17. Why do valency electrons involve in bond formation , than electrons of...

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  18. Why do valency electrons involve in bond formation , than electrons of...

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  19. What is octet rule ?

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  20. How do you appreciate role of the 'octet rule’ explaining the chemical...

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