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What are the various factors due to whic...

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

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NCERT ENGLISH-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  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 ionsiation enthalpy of s...

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

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  4. The first ionisation enthalpy of group 13 elements are : Explain ...

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

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

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

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  8. How would yon 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 a. g...

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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 to answer the following questions. a. Identif...

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  13. The increasing order of reactivity among group 1 elements is LiltNaltK...

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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 enthalpi...

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  17. Predict the formula of the stable binary compounds that would be forme...

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  18. In the modern periodic table, the period indicates the value of (a) a...

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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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