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In a potassium atom, electronic energy l...

In a potassium atom, electronic energy levels are in the following order

A

4s gt 3d

B

4s gt 4p

C

4s gt 3d

D

4s gt 3p

Text Solution

Verified by Experts

The correct Answer is:
C
According to Aufbau's principle
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ERRORLESS -ATOMIC STRUCTURE-Quantum numbers , Electronic configuration and Shape of orbitals
  1. Which of the following sequence is correct as per Aufbau principle ?

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  2. Number of unpaired electrons in Mn^(4+) is

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  3. In a potassium atom, electronic energy levels are in the following ord...

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  4. When 3d orbital is complete, the new electron will enter the

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  5. Maximum number of electrons present in 'N' shell is

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  6. Which of the following represents the electronic configuration of an e...

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  7. The energy of an electron of 2py orbital is

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  8. The atom of the element having atomic number 14 should have

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  9. The five d-orbitals are designated as d(xy), d(yz), d(xz), d(x^(2) - y...

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  10. Arrabge in decreasing order, the energy of 2s orbital in the following...

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  11. Which of the following orbitals has // have zero - probability of find...

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  12. In Fig, find the value of x.

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  13. The electronic configuration of Cu^(2+)ion is :

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  14. How many electrons can fit into the orbitals that comprise the 3^(rd) ...

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  15. Match the following columns

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  16. if the value of azimuthal quantum number is 3, the possible values of ...

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  17. The electronic configuration (outermost ) of Mn^(+2) ion (atomic numbe...

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  18. The number of orbitals in 2p sub-shell is

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  19. The shape of an orbital is given by the quantum number

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  20. Aufbau principle is not satisfied by

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