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[tex]\huge\boxed{\fcolorbox{red}{blue}{ QUESTION }}[/tex]
The maximum number of electrons that can be present in an shell is
[tex] \orange{\underline{\huge{\bold{\textit{\green{\bf{OPTIONS}}}}}}} [/tex]
a) [tex]2 {n}^{2} [/tex]
b) [tex]2 {n}^{2} + 1[/tex]
c) 2n
d) none of these.
[tex] \huge\mathbb{\red A \pink{N}\purple{S} \blue{W} \orange{ER}}[/tex]
OPTION (a)
[tex]2 {n}^{2} [/tex]
[tex] \bold { \red{ \star{ \blue{EXAMPLES}}}}[/tex]
In First shell only 2 electron can be placed .
[tex]2 {n}^{2} \\ n = 1 \: (bez \: \: no \: \: shell \: = 1) \\ so \\ 2 { n}^{2} = 2 \times {1}^{2} = 2 \: electrons[/tex]
In second shell 8 electrons can be placed
[tex]2 {n}^{2} \\ n = 1(bez \: \: no\: \: shell \: = 2) \\ 2 {n}^{2} = 2 \times {2}^{2} = 2 \times 4 = 8 \: electrons[/tex]