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The last electron placed in the third(n=...

The last electron placed in the third(n=3) quantum shell for:

A

Kr

B

Zn

C

Cu

D

Ca

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The correct Answer is:
C
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MBD PUBLICATION-STRUCTURE OF ATOM-QUESTION TYPE
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  2. The ion that is isoelectronic with CO is:

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  3. The last electron placed in the third(n=3) quantum shell for:

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  4. The number of unpaired electrons present in Cr^(3+) is:

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  5. Possible number of orientations of a subshell is:

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  6. The correct set of quantum number for the unpaired electron of chlorin...

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  7. One electron volt is:

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  8. Which has minimum number of unpaired d-electrons ?

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  9. Which ion has the maximum magnetic moment ?

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  10. What is the energy in joule of a photon of light with wavelength 4.0xx...

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  11. If the ionisation potential for hydrogen atom is 13.6 eV, then the wav...

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  12. The maximum wavelength of light that can excite an electron from first...

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  13. The work function for a metal is 4eV. To emit a photo electron of zero...

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  14. Ultraviolet light of 6.2 eV falls on aluminium surface (work function ...

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  15. The series limit for Balmer series of H-spectra is………

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  16. The wavelength of radiation emitted when electron falls from 4th Bohr'...

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  17. The energy of the electron is first orbit of He^+ is (RH = -8712xx10^(...

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  18. E1 for He^+ is -54.4 eV. The E2 for He^+ would be:

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  19. The highest excited state that unexcited hydrogen atom can reach when ...

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  20. An electron will have the highest energy in the set:

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