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Arrange the elements N, P, O and S in th...

Arrange the elements N, P, O and S in the order of
i) increasing first ionisation enthalpy.
ii) increasing non-metallic character.
Give reason for the arrangement assigned.

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MODERN PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -REVISION EXERCISE (VERY SHORT ANSWER QUESTIONS (CARRYING 2 OR 3 MARKS))
  1. Why are lanthanides and actinides place at the bottom of the periodic ...

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  2. Why are cations smaller than neutral atom?

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  3. Which of the following properties show gradual decrease with increase ...

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  4. Nitrogen has positive electron gain enthalpy whereas oxygen has negati...

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  5. Oxides formed by p-block elements may be (i) basic (ii) acidic (...

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  6. Explain the following a) Electronegatively of elements increase on m...

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  7. What do you understand by the terms (i) Ionization enthalpy (ii) E...

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  8. The ionization potential (I(1)) of nitrogen (Z=7) is more than oxygen ...

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  9. Explain the term electron gain enthalpy. Discuss the factors which inf...

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

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  11. How does the metallic and non-metalic character vary on moving from le...

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  12. Among alkali metals which element do you expect to be least electroneg...

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

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  14. Arrange the elements N, P, O and S in the order of i) increasing fir...

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

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  16. Why does ionization energy decreases down the group?

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  17. The first ionization enthalpy of magnesium is higher than that of sodi...

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  18. Which of the elements Na, Mg, Si and P have the greatest difference be...

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

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  20. Why are lanthanides and actinides place at the bottom of the periodic ...

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