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FILLING OF ATOMIC ORBITALS- AUFBAU PRINC...

FILLING OF ATOMIC ORBITALS- AUFBAU PRINCIPLE

A

3d, 4s, 4p, 4d, 5s

B

4s, 3d, 4p, 5s, 4d

C

5s, 4p, 3d, 4d, 5s

D

3d, 4p, 4s, 4d, 5s

Text Solution

Verified by Experts

The correct Answer is:
B
(b) The sequence of energy level can be remembered by the systematic diagram as shown below

Hence, the correct order is
1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 4f, 5d, 6p, 7s.....
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-ATOMIC STRUCTURE-MCQ
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  2. An electron of mass m and charge -e moves in circular orbit of radius ...

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  3. The wave character of moving electron was experimentally verified by :

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  4. Which of the following is/are false regarding cathode rays?

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  5. For which of the following sets of quantum numbers, an electrons will ...

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  6. The ionization potential for hydrogen atom is 13.6 eV, the ionization ...

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  7. The energy of an electron in the nth Bohr orbit of hydrogen atom is

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  8. Electronic configuration calcium atom can be written as

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  9. Electronic configuration of ""(29)Cu in ground state is :

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  10. For azimuthal quantum number l=3, the maximum number of electrons wi...

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  11. FILLING OF ATOMIC ORBITALS- AUFBAU PRINCIPLE

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  12. No two electrons in an atom will have all the four quantum numbers sam...

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  13. An ion has 18 electrons in the outermost shell it is

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  14. The total number of electrons that can be accommodated in all the orb...

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  15. The maximum number of electrons in a subshell is given by the expressi...

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  16. Number of unpaired electrons in N^(2+) is/are

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  17. Which of the following statement does not form part of Bohr's model o...

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  18. If r is radius of first orbit , the radius of nth orbit of the H atom ...

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  19. The number of spherical nodes in 3p orbital are

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  20. The spectrum of He is expected to be similar to that of

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