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Atomic number of sodium is 11. Write dow...

Atomic number of sodium is 11. Write down the four quantum numbers of the electron having highest energy.

Text Solution

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The electronic configuration of sodium is:
`1s^(2),2s^(2),2p^(6),3s^(1)`
3s-electron has the highest energy. Its quantum numbers are:
n=3,l=0,m=0,s`=+(1)/(2)` or `-(1)/(2)`
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