Name the elements with the following electronic configuration.
${1 s}^{2} {2 s}^{2} {2 p}^{6} {3 s}^{2} {3 p}^{1}$

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Solution

Total no of electrons in given configuration is 13
We know in a atom,
number of electrons = number of protons
and number of protons = atomic number
So given configuration is of $A l_{13}$

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