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A neutral atom of an element has two K, ...

A neutral atom of an element has two K, eight L, nine M and two N electrons then electronic configuration of the element is `"________"`

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The correct Answer is:
`1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(1)4s^(2)`
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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-EXERCISE
  1. The quantum number which determines the shape of the orbital is

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  2. Which of the following has maximum number of unpaired electron (atomic...

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  3. A neutral atom of an element has two K, eight L, nine M and two N elec...

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  4. The size of the following species increases in the order

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  5. Highest size will be of

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  6. Element Cu has two oxidation states Cu^(+1) & Cu^(+2) the right order ...

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  7. The correct order of increasing atomic size of element N F Si & P.

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  8. The correct order of atomic or ionic size

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  9. ln which of the following electronic configuration ionisation energy w...

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  10. The correct order of second ionisation potential of C, N, O and F is:

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  11. The ionization energy will be maximum for the process.

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  12. The correct order of second I.P.

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  13. Amongst the following, the incorrect statement is

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  14. The process(es) requiring the absorption of energy is/are:

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  15. Of the following elements, which possesses the highest electron affini...

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  16. Electron affinities of O,F,S and Cl are in the order.

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  17. Increasing order of Electron affinity for following configuration. (...

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  18. Highest electron affinity is shown by

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

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

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