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Which of the following quantum numbers r...

Which of the following quantum numbers relates to the average distance of an electron from the nucleus in a particular orbital?

A

Electron spin quantum number

B

Magnetic quantum number

C

Angular momentum quantum number

D

Principal quantum number

Text Solution

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The correct Answer is:
D
The larger `n` is, the greater is the average distance of an electron in the orbital form the nucleus and, therefore, the large is the orbital (and the less stable is the orbital as the electorn will be located away from the nucleus).
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R SHARMA-STRUCTURE OF ATOM-Follow-up Test
  1. The enegry of an electron in an atom//ion depends principally on

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  2. Orbitals of the same quantum stateare said to belong to the same shell...

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  3. Which of the following quantum numbers relates to the average distance...

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  4. Maximum number of orbitals is given shell identified by the principal ...

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  5. Which of the following quantum numbers distinguishes the orbitals of g...

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  6. Within the M shell, there arekinds of orbitals, each having a differen...

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  7. A1though the energy of an orbital is principally determined by the n q...

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  8. Orbitals of the samebut differentare said to belong to different subsh...

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  9. The angular momentum quantum number (l) does not tell us theof the orb...

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  10. The possible values of l depend on the value of the principal quantum ...

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  11. The value of lis generally designated by the eletters s,p,d…. Thus, if...

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  12. magnetic quantum number, m(l), distingushes the orbitals of given n an...

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  13. The allowed values of magnetic quantum nunber (m(l)) are the integers ...

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  14. There areorbitals in each subshell o fthe quantum number l.

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  15. How many orbitals are possible for n = 2 and l = 1?

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  16. Which of the following is incorrect?

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  17. Spin quantum number (m(s)) refers to thepssible orientations of the sp...

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  18. Experiements on the emission spectra ofatoms gave rise to a fourth qua...

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  19. Conclusive proof of electron spin was provided by O. Strem and W. Gerl...

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  20. Which of the following is incorrect?

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