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In the following which configuration ele...

In the following which configuration element has maximum electronegativity.

A

`1s^(2),2s^(2)2p^(5)`

B

`1s^(2),2s^(2)2p^(6)`

C

`1s^(2),2s^(2)2p^(4)`

D

`1s^(2),2s^(2)2p^(6),3s^(2),3p^(3)`

Text Solution

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The correct Answer is:
A
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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-EXERCISE
  1. Highest electron affinity is shown by

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

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  3. In the following which configuration element has maximum electronegat...

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  4. On the Pauling's EN scale, the element next to F is ""

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  5. Bond distance C-F in (CF(4)) & Si-F in (SiF(4)) are respective 1.33 Å...

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  6. Which one is not correct order of electro negativity.

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  7. Calculate the bond length of C-X bond, if C-C bond length is 1.54 Å, X...

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  8. Choose the s-block element from the following:

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  9. The statement that is not correct for the periodic classification of e...

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  10. Among the following which species is/are paramagnetic (i) Sr^(2+) ...

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  11. It each orbital can hold a maximum of three electrons, the number of e...

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  12. Which of the following clement has highest metallic character

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  13. The electronic configuration of an clement is 1s^(2), 2s^(2), 2p^(6), ...

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  14. the number of d- electrons in Mn^(2+) is equal to that of :

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  15. Which of the following is correct order of EA.

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  16. Select the correct statement(s).

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  17. Which of the following are correct

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  18. If Aufbau's principle and Hund's rule were not followed.

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  19. In halogen, which of the following properties increase from iodine to ...

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  20. ln which of the following sets of elements 1^(st) element is more meta...

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