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Which of the following will have the mo...

Which of the following will have the most negative electron gain enthalpy and which the least negative ?
P,S,Cl,F. Explain your answer.

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The elements with most negative electron gain enthalpy is chlorine, the one with the least negative electron gain enthalpy is phosphorus.
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A N EXCEL PUBLICATION-CLASSIFICATION TO ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
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  2. Which of the following species will have the largest and the smallest ...

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  3. Which of the following will have the most negative electron gain enth...

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  4. Using the periodic Table, predict the farmulas of compounds which migh...

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  5. Using the periodic Table, predict the formulas of compounds which migh...

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  6. Are the oxidation state and covelency of Al in [AlCl (H2O)5]^(2+) same...

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  7. On the basis of quantum numbers justify that the sixth period table sh...

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  8. In terms of period and groups where would you locate the element with ...

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  9. Write the atomic number of the element in the third period and group 1...

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  10. Which element do you think would have been named by Lawrence Berkele...

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  11. Which element do you think would have been named by Seaborg's group.

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  12. Why do elements in the same group have similar properties ?

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  13. What do you mean by isoelectronic species ?

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  14. Name the species that will be isoelectronic with Ar

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  15. Name the species that will be isoelectronic with Mg^(2+)

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  16. Name the species that will be isoelectronic with Rb^+

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  17. N^(3-),O^(2-),F^-,Na^+, Mg^(2+),Al^(3+) what is comman in them ?

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  18. N^(3-),O^(2-),F^-,Na^+, Mg^(2+),Al^(3+) Arrange them in the order of ...

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  19. Energy of an electron in the ground state of hydrogen atom is -2.18 xx...

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  20. Among the second period elements the actual ionisation enthaply are in...

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