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The quantum number of four electrons (el...

The quantum number of four electrons (el to e4) are given below :-
`{:(,n,,l,,m,,s,,),(e1,3,,0,,0,,+1//2,,),(e2,4,,0,,1,,1//2,,),(e3,3,,2,,2,,-1//2,,),(e4,3,,1,,-1,,1//2,,):}`
The correct order of decreasing energy of these electrons is :

A

`e4gte3gte2gte1`

B

`e2gte3gte4gte1`

C

`e3gte2gte4gte1`

D

none

Text Solution

Verified by Experts

The correct Answer is:
C
`r_(1)=(r_(2))/(n^(2))" "r_(1)=(r )/(4)" "," "r_(3)=r_(1)xxn^(2)`
`r_(3)=r//4xx9" "r_(3)=2.25R`
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ALLEN-ATOMIC STRUCTURE-Exercise - 02
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  13. Which orbitals is non-directional ?

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  14. A hydrogen-like atom has ground state binding energy 122.4eV. Then :

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  15. Uncertainty in position is twice the uncertainty in momentum. Uncertai...

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