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Why does ionization energy decreases dow...

Why does ionization energy decreases down the group?

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PRADEEP-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -Additional Question (Short Answer Question )
  1. Define ionization enthalpy . What are its units ? What is the princ...

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  2. Discuss briefly the various factors on which ionization enthalpy ...

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  3. Why does the first ionisation energy increase as we go from left to ri...

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  4. Why does ionization energy decreases down the group?

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  5. The five successive energies of an element are 800, 2427, 3658, 25024 ...

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  6. Explain the following : (i) Ionization enthalpy of Mg is more th...

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  7. Why is ionization enthalpy of Be more than that of B? Explain.

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  8. If we consider ionization enthapies of elements in the second peri...

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  9. Explain the terms ionization enthalpy and electron gain enthalpy.

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  10. What do you mean by successive electron gain enthalpies ? Why is ...

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  11. Explain term electron gain enthalpy ? How does it vary along a gr...

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  12. Halogens have very high negative electron gain enthalpies. Explain.

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  13. Electron gain enthalpy of fluorine is less than that of chlorine. Why?

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  14. Electron gain enthalpy of noble gases in positive . Explain.

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  15. Define electronegativity ? How does is vary along a period and al...

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  16. What is the basic difference between the terms electron gain enthalpy ...

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  17. The valence of representative elements is either equal to the number...

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  18. Discuss briefly the anomalous behaviour of elements of second perio...

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  19. The first element of each group differs significantly from rest o...

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  20. Periodic Trends and Chemical Reactivity

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