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Explain Pauli's Exclusion principle with...

Explain Pauli's Exclusion principle with an example.

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Pauli's exclusion principle : According fo Pauli's exclusion principle, no two electrons of the same atom can have all four quantum numbers are same.
Ex : He ( Z = 2)
The electronic configuration is `1 s^(2)` i.e.

The set of four quantum numbers for two electrons of Helium atom is

From the table we can observe that the three quantum numbers are equal but fourth one is different.
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Electronic configuration of multielectron atoms can be written by the use of four quantum numbers and also by following certain principles. Pauli's exclusion principle suggests that maximum capacity of an atomic orbital is two. Auf bau principle suggests that the lower energy orbitals are filled first and hence stability can be attained. Hunds rule of maximum multiplicity suggests that pairing occurs with one electron. The arrangement of electrons in the space around the nucleus can be understood only after writing the electronic configuration. Thus writing electronic configuration is more important in the structure of an atom. Auf-bau principle is first violated for the element with atomic numbers

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Electronic configuration of multielectron atoms can be written by the use of four quantum numbers and also by following certain principles. Pauli's exclusion principle suggests that maximum capacity of an atomic orbital is two. Auf bau principle suggests that the lower energy orbitals are filled first and hence stability can be attained. Hunds rule of maximum multiplicity suggests that pairing occurs with one electron. The arrangement of electrons in the space around the nucleus can be understood only after writing the electronic configuration. Thus writing electronic configuration is more important in the structure of an atom. The set of quantum numbers not possible for electrons present in potassium atom in its ground state

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VGS PUBLICATION-BRILLIANT-STRUCTURE OF ATOM -CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION ( SECTION - III 2 MARKS QUESTIONS )
  1. Write Planck's equation .

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  2. Give the equation which give electromagnetic energy (light) that can h...

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  3. Explain Pauli's Exclusion principle with an example.

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  4. Explain Aufbau principle with an example .

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  5. There is an electron in one atom with n = 1, l = O, m(l) = O. a) P...

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  6. Guess the orbital. If 1) It's energy lies in between the energies o...

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  7. The electronic configuration of an atom is as follows 1s^(2) 2s^(2) 2...

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  8. Fill the following table and write the rule which you use in filling t...

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  9. An electron is an atom has the following set four quantum numbers to w...

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  10. You know that the distribution of electrons in shells, sub-shells and ...

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  11. You know that the distribution of electrons in shells, sub-shells and ...

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  12. The differentiating electron in one atom is 4p^(1) . Write the set ...

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  13. The differentiating electron in one atom is 4p^(1) . Write the full ...

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  14. For n = 3. Write all the m(l) values.

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  15. For n = 3. Write all the sub-shells

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  16. Write the name of the atom and electronic configuration for the given ...

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  17. Where does the 6^(th) electron go?

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  18. Among 3d, 4s, 4p orbitals, which one has least orbital energy ? Why...

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  19. Among 3d, 4s, 4p orbitals, which one fills last by an electron? And...

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  20. Show all the p-orbitals in one diagram.

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