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What are the vairous factors due to whic...

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

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The two factors are (1) atomic size and (2) screening effect. .
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CHHAYA PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-SOLVED NCERT EXERCISE
  1. Among the second period elements the actual ionisation enthalpies are ...

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

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  3. What are the vairous factors due to which the ionisation enthalpy of t...

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  4. First ionisation enthalpy values (in kJ mol^(-1)) of group-13 elements...

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  5. Which of the given pairs would have a more negative electron-gain enth...

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  6. Electron gain enthalpy of Cl is more negative than F though electroneg...

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  7. What is the basic difference between the terms electron-gain enthalpy ...

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  8. How would you react to the statement that the electronegativity of N o...

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  9. Describe the theory associated with the radius of an atom as it (1) ...

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  10. Would you expect the first ionisation enthalpies for two isotopes of t...

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

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  12. Use the periodic table in answer the given questions. (1) Identify a...

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  13. The order of reacivity of grou-1 elements is Li lt Na lt K lt Rb lt Cs...

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

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

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  16. The first (Delta(i)H(1)) and second (Delta(i)H(2)) ionisation enthalpy...

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  17. Predict the formulas of the stable binary compounds that would be form...

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  18. In modern periodic table, period indicates the value of (A) atomic num...

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  19. Which of the following statements related to the modern periodic table...

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  20. Anything that influences the valence electrons will affect the chemist...

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