Structure Of Atom Question 6
Question 6 - 2024 (27 Jan Shift 1)
The number of electrons present in all the completely filled subshells having $n=4$ and $s=+\frac{1}{2}$ is (Where $n=$ principal quantum number and $s=\operatorname{spin}$ quantum number)
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Answer (16)
Solution
$n=4$ can have,
| $\mathbf{4 s}$ | $\mathbf{4 p}$ | $\mathbf{4 d}$ | $\mathbf{4 f}$ | |
|---|---|---|---|---|
| Total e | 2 | 6 | 10 | 14 |
| Total e- with S $=+\frac{1}{2}$ | 1 | 3 | 5 | 7 |
So, Ans. 16
