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Which in each pair of elements has a mor...

Which in each pair of elements has a more negative electron gain enthalpy?
(b) F or Cl

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Due to small size of fluorine atom the electron repulsions are more. So some energy is required to overcome the repulsion. So electron gain enthalpy of chlorine is more than fluorine.
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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -Long Answer Questions
  1. Which in each pair of elements has a more negative electron gain entha...

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  2. Discuss in detail about the classification of elements by Mendeleeff.

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  3. From a study of properties of neighbouring elements, the properties of...

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  4. Define the mordern periodic law . Discuss the construction of t...

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  5. Discuss the relation between the number of electron filled into the su...

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  6. Write an essay on s, p, d and f-block elements.

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  7. Relate the electronic configuration of elements and their properties i...

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  8. What is a periodic property? How the following properties vary in a gr...

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  9. What is a periodic property? How the following properties vary in a gr...

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  10. What is a periodic property? How the following properties vary in a gr...

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  11. What is a periodic property? How the following properties vary in a gr...

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  12. Write a note on (a) Atomic radius.

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  13. Write a note on (b) Metallic radius.

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  14. Write a note on (c ) Covalent radius.

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  15. Define IE(1) and IE(2). Why is IE(2) > IE(1) for a given atom? Discuss...

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  16. How do the following properties change in group - 1 and in the third p...

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  17. How do the following properties change in group - 1 and in the third p...

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  18. How do the following properties change in group - 1 and in the third p...

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  19. How do the following properties change in group - 1 and in the third p...

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  20. Define electron gain enthalpy. How it varies in a group and in a perio...

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  21. What is electronegativity?

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