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If n and l are respectively the principa...

If n and `l` are respectively the principal and azimuthal quantum numbers , then the expression for calculating the total number of electrons in any energy level is :

A

`underset(l=0)overset(l=n)sum2(2l+1)`

B

`underset(l=1)overset(l=n)sum2(2l+1)`

C

`underset(l=0)overset(l=n)sum2(2l+1)`

D

`underset(l=0)overset(l=n-1)sum2(2l+1)`

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NARENDRA AWASTHI-ATOMIC STUCTURE-Exercise
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  2. In iron atom, how many electrons have n=3 and l=2?

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  3. If n and l are respectively the principal and azimuthal quantum number...

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  4. Maximum number of nodes are present in :

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  5. The possible correct set of quantum numbers for the unpaired electron ...

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  6. The aufvau principle implies that a new electron will center an orbita...

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  7. the orbital diagram in which aufbau principal is violated is :

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  8. Consider the following six electronic configurations (remaining inner ...

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  9. Which of the following set of quantum numbers shows orbital of highest...

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  10. A subshell n = 5, l = 3 can accommodate :

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  11. In H-atom energy of electron is datermined by :

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  12. In iron atom, how many electrons have n=3 and l=2?

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  13. How many electrons in an atom can have n = 4, l =2 ,m= -2 and s = +1/...

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  14. The degencracy of 1st excited state of H atom is (Ignore efffect of s...

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  15. Not considering the electron spin, the degeneracy of second excited st...

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  16. Which orbital has only positive value of wave function at all distance...

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  17. Four electrons in aan atom have the set of quantum numbers as given be...

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  18. The set of quantum numbers, n = 3, l = 2, m(l) = 0

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  19. The set of quantum numbers, n = 2, l = 2, m(l) = 0 :

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  20. Consider the argon atom. For how many electrons does this atom have m(...

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