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The four quantum numbers of the valence ...

The four quantum numbers of the valence electron of potassium are

A

`4,1,1,1//2`

B

`4,0,0,1//2`

C

`4,1,0,1//2`

D

`4,4,0,1//2`

Text Solution

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`""_(19) K - 1 s ^(2) 2 s ^(2) 2p ^(6) 3s ^(2) 3p ^(6) 3s ^(1)`
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OMEGA PUBLICATION-STRUCTURE OF ATOM -MULTIPLE CHOICE QUESTIONS (MCQ s)
  1. Which of the following expresson gives the de-Broglie relationship ?

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  2. The total number of orbitals possible for the quantum number n is

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  3. The four quantum numbers of the valence electron of potassium are

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  4. An electron has principal quantum number 3. The number of its (i) shel...

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  5. The correct set of quantum numbers for a 4d electron is

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  6. No two electrons in an atom will have all the four quantum numbers sam...

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  7. The correct order of increasing energy of atomic orbitals is

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  8. The energy of an electron in nth orbit of hydrogen atom is

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  9. The triad of nuclei that is isotonic is

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  10. Bohr's model can explain

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  11. If the value of l = 2, what will be the value of principal quantum num...

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  12. Rutherford's experiment on scattering of alpha particles showed for th...

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  13. 3d-orbitals have

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  14. Number of unpaired electrons in the electronic configuration 1s ^(2) ,...

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  15. The two electrons in an orbital have different

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  16. The principal which gives a way to fill the electrons in the available...

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  17. Number of unpaired electrons in Nat is

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  18. f -sub-shell is characterised by:

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  19. When the 3d orbital is complete, the new electron will enter the

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  20. Energy of atomic orbitals in a particular shell is in the order

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