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

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

A

6

B

4

C

7

D

8

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The correct Answer is:
C
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The quantum numbers for the last electron in an atom are n = 3, l = 1 and m = -1. The atom is:

MBD PUBLICATION-STRUCTURE OF ATOM-QUESTION TYPE
  1. The ratio of nucleons in O^16 and O^18 is:

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

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

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

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

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

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  7. 1 fermi is equal to:

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  8. Nucleus model of the atom was proposed by:

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

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

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

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

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

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  14. Mass of an electron:

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

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

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

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  18. Maximum number of electrons which can be accommodated in a g subshell ...

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  19. Assuming the velocity be same, which sub-atomic particle possesses sma...

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  20. The phenomena of photoelectric effect was successfully explained by:

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