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Given :

Electronic configuration of an electron :

.

To Find :

The element having such an electronic configuration .

Solution :

We know , the sum of all the power of s and p in all the orbit gives total number of atoms in elements .

So , atomic number is :

Since , the atomic number is 18 .

Therefore , the element is Argon .

Hence , this is the required solution .

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step-by-step explanation:

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