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Which one of the following pairs of atom...

Which one of the following pairs of atoms/atom-ions have identical ground state configuration ?

A

`Li^+ and He^+`

B

`Cl^- and Ar`

C

`Na and k`

D

`F^+ and Ne`

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The correct Answer is:
B
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MBD PUBLICATION-STRUCTURE OF ATOM-QUESTION TYPE
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  2. Which of the subshell has double dumb-bell shape ?

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  3. Which one of the following pairs of atoms/atom-ions have identical gro...

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  4. The ratio of nucleons in O^16 and O^18 is:

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  5. The number of unpaired electrons in Mn^+ is:

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  6. The (n+1) value for 4f-electron is:

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  7. The ejection of electrons when the surface of metal is irradiated by l...

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  8. The n+l value for the 3-p energy level is:

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  9. If uncertainty in position of electron is zero, the uncertainty in its...

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  10. 1 fermi is equal to:

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  11. Nucleus model of the atom was proposed by:

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  12. Maximum number of electrons present in "N" shell is:

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  13. The de Broglie wavelength associated with a material particle is:

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  14. Compared to mass of lightest nucleus the mass of an electron is only:

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  15. For azimuthal quantum number 1=3, the maximum number of electrons will...

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  16. In an atom no two electrons can have the same value for all the quantu...

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  17. Mass of an electron:

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  18. The magnetic quantum number for valency electron of sodium is:

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  19. The Heisenberg's uncertainty principle can be applied to:

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  20. How many sets of four quantum number are possible for the electrons pr...

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