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The degencracy of 1st excited state of H...

The degencracy of 1st excited state of `H` atom is ______ (Ignore efffect of spin)

A

2

B

3

C

4

D

8

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

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

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

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

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

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

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

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

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

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  10. An orbital is occupied by an electrons with the quantum numbers n = 4...

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  11. Which of the following sets of quantum numberrs discribes the elecron ...

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  12. The subshell that arises after f is called the g subshell.How many ele...

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  13. Which of the following electron configurations is correct for iron,(at...

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  14. which of the following electron configurations is correct for copper,(...

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  15. The electron configurations of 24cr and 29cu are abnormal

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  16. which of the following representations of excited states of atoms is i...

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  17. Among the following represetations of excited states of atoms which is...

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  18. Among the following series of transition metal ions the one where all ...

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  19. Which of the following has the maximum number of unpaired electrons?

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  20. Which of the following orbitals has two spherical nodes?

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