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For the second period elements the corre...

For the second period elements the correct increasing order of first io0nization enthalpy is:

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Among second period elements, the correct order of first ionisation enthalpy is : 1 Li 2 Li 3 Li > Be > B > C > N > O > F > Ne 4 Li > B > C > Be > O >N > F > Ne

The CORRECT order of first ionisation enthalpy is :

Consider the elements "Mg,Al,S,P" and "Si" ,the correct increasing order of their first ionization enthalpy is:

The correct order of increasing first ionization energy is

MODERN PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -REVISION EXERCISE (VERY SHORT ANSWER QUESTIONS (CARRYING 2 OR 3 MARKS))
  1. Which has greater ionisation energy and why-S or P?

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  2. On moving from left to right in a period in the periodic table, the si...

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  3. For the second period elements the correct increasing order of first i...

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

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  5. Why are cations smaller than neutral atom?

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. Why does ionization energy decreases down the group?

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

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