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Which of the following electron configur...

Which of the following electron configurations is correct for iron,(atomic number26)?

A

[kr]`4s^(1)3d^(6)`

B

[kr]`4s^(1)3d^(7)`

C

[Ar]`4s^(2)3d^(6)`

D

[kr]`4s^(2)3d^(6)`

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NARENDRA AWASTHI-ATOMIC STUCTURE-Exercise
  1. Which of the following sets of quantum numberrs discribes the elecron ...

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  2. The subshell that arises after f is called the g subshell.How many ele...

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  3. Which of the following electron configurations is correct for iron,(at...

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  4. which of the following electron configurations is correct for copper,(...

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  5. The electron configurations of 24cr and 29cu are abnormal

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  6. which of the following representations of excited states of atoms is i...

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  7. Among the following represetations of excited states of atoms which is...

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  8. Among the following series of transition metal ions the one where all ...

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  9. Which of the following has the maximum number of unpaired electrons?

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  10. Which of the following orbitals has two spherical nodes?

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  11. Wave function of an orbital is plotted against the distance from nucle...

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  12. The Schrodinger wave equation for hydrogen atom is Psi(2s) = (1)/(4sqr...

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  13. The Schrodinger wave equation for hydrogen atom is Psi("radial")=(1)...

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  14. Potential energy of electrom present in He^(+) is :

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  15. A single electron in an ion has ionization energy equal to 217.6eV. Wh...

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  16. For a hypothetical hydrogen like atom, the potential energy of the sys...

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  17. A beam of specific kind of particles of velocity 2.1 xx 10^7 m//s is s...

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  18. What is the angular velocity (omega) of an electron occupying second o...

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  19. The ratio of the radius difference between 4^(th) and 3^(rd) orbit of ...

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  20. The velocity of an e in excited state of H-atom is 1.093 xx 10^(6)m//s...

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