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How many quantum number are needed to de...

How many quantum number are needed to designate an orbital? Name them.

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three quantum numbers are needed to designate an orbital namely, 'n', 'l' and 'm'.
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CHHAYA PUBLICATION-STRUCTURE OF ATOM-WARM UP EXERCISE
  1. What is the maximum number of electrons that can be accommodated in an...

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  2. Which of the following subshells have no real existence? (i) 2d, (ii...

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  3. How many quantum number are needed to designate an orbital? Name them.

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  4. Identify the subshells denoted by the following (i) n=4, l=2 (ii+ ...

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  5. An electron is described by magnetic quantum no. m=+3. indicate the lo...

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  6. Which quantum number is to be mentioned to distinguish between the ele...

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  7. Write the values of the magnetic quantum number 'm' for the '3d'-orbit...

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  8. Write the values of n, l and m for 3p-subshell.

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  9. Which of the following two orbitals is associated with a higher energy...

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  10. Is there any difference between the angular momentum of 3p and 4p-elec...

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  11. 4f-subshell of an atom contains 10 electrons. How many of these electr...

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  12. Write the expresion for orbital angular momentum of a revolving electr...

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  13. Mention the sequence in which the following orbitals are filled up by ...

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  14. What is the maximum number of 4d-electrons with spin quantum number s=...

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  15. is it possible for atoms with even atomic number to contain unpaired e...

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  16. Write the electronic configurations of Cu and Cr-atoms?

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  17. Write the electronic configurations of Fe^(2+) and Cu^(+) ions.

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  18. Which of the following has maximum number of unpaired electrons? (i) M...

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  19. Calculate the number of unpaired electrons in N-atom.

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  20. How many electrons of Ne-atom have clockwise spin?

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