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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 .

4/6 = 2/3

so it should take 3/3 hours per man. so 9 hours is the answer 3*3 =9

step-by-step explanation:

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