The outermost configuration of an element is $3 s^{2} 3 p^{5}$ write the complete subshell configuration, atomic number, period number of that element.

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Solution

Subshell electronic configuration- $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{5}$
Atomic number- 17
Period number-3

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The outermost configuration of an element is 3s23p5 write the complete subshell configuration, atomic number, period number of that element.

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The outermost configuration of an element is $3 s^{2} 3 p^{5}$ write the complete subshell configuration, atomic number, period number of that element.

Subshell electronic configuration- $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{5}$
Atomic number- 17
Period number-3