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The correct ground state electronic conf...

The correct ground state electronic configuration of chromium atom is :

A

`[Ar] 3d^5 4s^1`

B

`[Ar] 3d^4 4s^2`

C

`[Ar] 3d^6 4s^0`

D

`[Ar] 4s^6 4p^5`

Text Solution

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The correct Answer is:
A
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MODERN PUBLICATION-STRUCTURE OF ATOM-COMPETITION FILE ,OBJECTIVE TYPE QUESTIONS (A. MULTIPLE CHOICE QUESTIONS)
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  2. Which of the following orbital designations is not correct correspondi...

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  3. The orbital angular momentum for an electron revolving in an orbit for...

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  4. The following quantum numbers are possible for how many orbitals (s) n...

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  5. The correct ground state electronic configuration of chromium atom is ...

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  6. In manganese atom , Mn (Z = 25), the total number of orbitals populate...

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

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  8. Azimuthal quantum number of last electron of .(11)Na is

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  9. Orbital angular momentum depends on .........

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  10. How many electrons in Argon have m = 0 ?

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  11. The four quantum number of the valence electron of potassium are.

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  12. Consier the following ions 1. Ni^(2+) 2. Co^(2+) 3. Cr^(2+) 4....

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  13. If the value of (n +l) is more than 3 and less than 6 , then what wil...

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  14. In an orbital, the signs of lobes indicate the

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  15. How many radial nodes does a 3d-orbital possess?

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  16. The raidal part of wave function dependds on the quantum numbers

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  17. The number of radial and angular nodes in 3p orbital are

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  18. Consider the ground state Cr atom (Z = 24). The number of electron w...

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  19. The 3d-orbitals having electron density in all the three axes is

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  20. How many spherical nodes are present in 4s orbital in a hydrogen ato...

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