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What are the various factors due to whic...

What are the various factors due to which the ionization enthalpy of the main group elements tends to decrease down a group?

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ICSE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-NCERT TEXT-BOOK. EXERCISE (With Hints and Solutions)
  1. Among the second period elements the actual ionization enthalpies are ...

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  2. How would you explain the fact that the first ionsiation enthalpy of s...

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  3. What are the various factors due to which the ionization enthalpy of t...

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  4. The first ionisation enthalpy values (in kJ mol^(-1)) of group 13 ele...

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  5. Which of the following pairs of elements would have a more negative el...

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  6. Which of the following pairs of elements would have a more negative el...

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  7. Would you expect the second electron gain enthalpy of O as positive , ...

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

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  9. How would yon react to the statement that the electronegativity of N o...

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  10. Describe the theory associated with the radius of an atom as it gain...

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  11. Describe the theory associated with the radius of an atom as it lose...

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  12. Would you expect the first ionization enthalpies for two isotopes of t...

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  13. What are the major differences between metals and non-metals?

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  14. Use the periodic table to answer the following questions : Identify ...

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  15. Use the periodic table to answer the following questions : Identify ...

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  16. Use the periodic table to answer the following questions : Identify ...

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  17. Use the periodic table to answer the following questions : Identify...

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  18. The increasing order of reactivity among group 1 elements is Li lt Na ...

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  19. Write the general outer electronic configuration of s-, p-, d- and f- ...

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  20. Assign the position of the element having outer electronic configurati...

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