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Correct set of four quantum numbers for the valence (outermost) electron of rubidium `(Z = 37)` is

A

`5,0,0,+1/2`

B

`5,1,0,+1/2`

C

`5,1,1,+1/2`

D

`6,0,0,+1/2`

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The correct Answer is:
A
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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-EXERCISE
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  5. Which of the following sets of quantum numbers represent an impossible...

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  6. The explanation for the presence of three unpaired electrons in the ni...

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  7. the maximum number of electrons that can be accommodated in the 3^(rd)...

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  8. The quantum number which determines the shape of the orbital is

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

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

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

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  12. Highest size will be of

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

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

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  15. The correct order of atomic or ionic size

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

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

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

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  19. The correct order of second I.P.

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  20. Amongst the following, the incorrect statement is

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