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The outer shell configuration of the mos...

The outer shell configuration of the most electronegative element is

A

`3s^(2)3p^(6)`

B

`2s^(2)2p^(5)`

C

`4s^(2)4p^(5)`

D

`2s^(2)2p^(4)`

Text Solution

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The correct Answer is:
B
Fluorine is the most electronegative element .
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. The electronegativity of the following elements increases in the order

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  2. Electronegativity refers to the tendency of atom to

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  3. The outer shell configuration of the most electronegative element is

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  4. The outermost electronic configuration of the least reactive element i...

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  5. The correct order of electronegativity of N,O, F and P is

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  6. Which of the following pairs show diagonal relationship?

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  7. Which of the following pairs show diagonal relationship?

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  8. Which of the following sequences contain atomic numbers of only repres...

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  9. What is true about iso-electronic ions ?

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  10. Which of the following set of species contains elements which have bee...

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  11. Which of the following belongs to d-block?

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  12. Pd has exceptional valence shell electronic configuration of 4d^(10)5s...

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  13. An element X has IE and EA respectively 275 and 1450 kJ mol^(-1). The ...

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  14. The van der Waal's radii of O,N,CI,F and Ne increase in the order

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  15. The outer shell configuration and group number of the element with ato...

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  16. Which of the following pair contains species having nearly same charge...

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  17. According to IUPAC norms an element has been named as Uun. The atomic ...

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  18. Which of the following ion will form most water soluble hydroxide?

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  19. Which of the following has greatest tendency to lose electron ?

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  20. With which of the following configuration the lowest value of first IE...

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