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An orbital with m = +3 has an unpaired e...

An orbital with m = +3 has an unpaired electron. If it is the only unpaired electron in the atom which of the following electronic arrangement corresponds to that atom ?

A

`4d^1 4f^1 5s^2`

B

`(K) 4d^2 5s^2`

C

`(Kr) 5d^0 4f^16s^2`

D

`(Xe) 4f^25s^2`

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BEYOND PUBLICATION-STRUCTURE OF ATOM-EXERCISE
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  6. For Manganese atom, assuming that Hund's rule is to valid for l=2 subs...

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  8. Velocity of light in vacuum is given by the formula……….

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  9. Filling of electrons in an orbital of sub-shells is given by

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  10. E = hnu is given by

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  11. Identify the wrong set of quantum numbers from the following.

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  12. Electron emits energy if it jumps form ……to …………energy state

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  13. Elliptical orbits were introduced by……….

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  14. Sommerfeld added………..elloptical orbits to each Bohr's circular orbit

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  15. An orbital with m = +3 has an unpaired electron. If it is the only unp...

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  16. What is the electronic configuration of Ca ? 1s^2 2s^2 2p^6 3s^2 3p^6...

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  17. Wite two sentences about the wavelengths of colours in rainbow ?

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  18. How can you say that VIBGYOR have different wavelength ?

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  19. Where do we see the radio waves ?

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  20. Why does on element emit light, when it is heated ?

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