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For the configuration 1s^(2)2s^(1), the ...

For the configuration `1s^(2)2s^(1)`, the quantum numbers for the outermost electron are

A

2,1,0,-1/2

B

2,0,0,+1/2

C

2,1,0,+1/2

D

2,0,1,+1/2

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ATOMIC STRUCTURE-Objective exercise - 1
  1. The maximum number of electrons in a sub-shell is given by the express...

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  2. The magnetic quantum number m for the outermost electron in the Na ato...

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  3. For the configuration 1s^(2)2s^(1), the quantum numbers for the outerm...

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  4. The maximum number of electrons that a p-orbital can accommodate is

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  5. The number of orbitals in the quantum level n = 4 is

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  6. The quantum number which is equal for all the d-electrons in an atom i...

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  7. Correct set of four quantum numbers for the valence electron of Rubidi...

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  8. n, l and m values of the 2p(z) orbital are

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  9. The horizontal quantum number for the last electron in sodium atom is

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  10. Which of the following is not a possible value of azimuthal quantum nu...

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  11. Maximum number of electrons that can be present in M and N - shells re...

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  12. What is the maximum number of electrons that can be theoretically pres...

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  13. The correct set of quantum numbers for a 4d electrons is

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  14. Which of the following sets of quantum numbers is correct for an elect...

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  15. No two electrons in an orbital can have parallel spin. This statement ...

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  16. Electrons never pair, if there are empty orbitals in a given sub-shell...

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  17. Which of the following explains the sequence of filling electrons in d...

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  18. Nitrogen atom has 3 unpaired electrons in its ground state. It can be ...

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  19. The electronic cnfiguration of sodium is

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  20. Which of the following represent an acetal/ ketal

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