2 electrons occupying the same orbital are distinguished by

Asked by admin @ 20/08/2021 in Chemistry viewed by 287 People

Two electrons occupying the same orbital are distinguished by

a) azimuthal quantum number
b) spin quantum number
c) magnetic quantum number
d) orbital quantum number

Answered by admin @ 20/08/2021

Correct Answer (b) ⇒ Spin quantum number

So it is clear that 2 electrons occupying the same orbital are distinguished by Spin quantum number.

Reason / Explanation :-

For spin Quantum number it has two values +1/2 or -1/2 ,
Hence the value of n, l ,m are same for the two electrons occupying in the same orbitals, but only the $m_{s}$ is different , which is $m_{s} = +1/2 , -1/2$

⇒ Spin quantum number explains the direction through which the electron spins in an orbital. so obviously there are only 2 possible directions . which is either clockwise or anticlockwise.

⇒ So Two electron which are available in the same orbitals , must have opposite spins . Hence spin quantum number distinguished b/w the two electrons.

Hope it Helps :-)

2 electrons occupying the same orbital are distinguished by

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