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How are the elements classified based on...

How are the elements classified based on thedifferentating electron configuration? 

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AAKASH SERIES-PERIODIC TABLE-QUESTIONS FOR DESCRIPTIVE ANSWERS
  1. Write on the IUPAC nomenclature of the elements with atomic number gre...

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  2. What are the groups, periods and blocks of the elements with atomic nu...

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  3. How are the elements classified based on thedifferentating electron co...

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  4. Knowing the electronic configuration of an element, its position in th...

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  5. What is electronegativity? How is this useful in understanding the nat...

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  6. How does the position of element in the periodic table useful in findi...

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  7. Write the important applications of electronegativity.

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  8. What is electron gain enthalpy? On what factors does it depend?

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  9. What is the role played by the  inner electrons on the radius and ioni...

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  10. Write the differences between ionisation enthalpy and electron gain en...

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  11. Write the increasing order of ionisation enthalpies of Be, B, C, N and...

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  12. Which among the following should have a smaller second ionisation ener...

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  13. How are bond energies useful for the calculation of electronegativity?

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  14. Both ionisation enthalpy and electron gain enthalpy have some irregula...

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  15. With reference to the periodic table, name the following : (a) the h...

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  16. Mention different chemical criteria to call an element as metal.

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  17. How do you account for the highly electro-positive nature of alkali me...

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  18. What are anhydrides? Write exmples of acidic and basic anhydrides.

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  19. Alkali metals are good reductants and halogens are good oxidants. Why?

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  20. Comment on the following : (a) vertical relationship of elements, (b...

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