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a) An orbital can hold only two electron...

a) An orbital can hold only two electrons
b) An orbital must have electrons with opposite spins. Which is correct ?

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VGS PUBLICATION-BRILLIANT-STRUCTURE OF ATOM -CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION ( SECTION - I 1/2 MARK QUESTIONS)
  1. Write four quantum numbers for 1s^(1) electron.

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  2. Which quantum number of the electron values dlffers In the Helium atom...

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  3. a) An orbital can hold only two electrons b) An orbital must have e...

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  4. "No two electrons of the same atom can have all four quantum numbers t...

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  5. What is the maximum number of electrons in any shell, lf 'n' ls the pr...

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  6. What is the maximum number of electrons in a sub-shell (s, p, d, f) ? ...

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  7. What is the meaning of word 'Aufbau'?

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  8. Which formula can be used to calculate energy of an orbital ?

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  9. In 4s, 4p, 4d, 3d orbitals, which one has least energy ?

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  10. 'Moeller chart' deals with a) Pauli's principle b) Aufbau principle ...

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  11. Which principle is stated that the orbitals are filled in the order of...

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  12. 1s^(2) , 2 s^(2) , 2p(x) ^(2) . Which rule is violated

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  13. He : Which rule is violated ?

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  14. 1s^(2) , 2s^(2) 2p^(6) 3s^(2) 3p^(6) 3d^(10) . Which rule is violated ...

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  15. Write the electronic configuration of chromium (Cr) and copper (Cu).

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  16. Write the electronic configuration of chromium (Cr) and copper (Cu).

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  17. Which rule does not support this ?

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  18. Which rule is violated in the electronic configuration 1s^(0) 2s^(2) 2...

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  19. Write the four quantum numbers for the differentiating electron of sod...

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  20. Which electron shell is at a higher energy level K or L ?

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