An element X has electronic configuration 2, 8, 8, 2. Which period of the modern periodic table does this element belong to?

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Solution

The correct option is B 4

Element X has electronic configuration 2, 8, 8, 2.

Hence the element has 4 shells in the atom.

Therefore, it belongs to the fourth period.

So, the correct answer is option C.

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An element X has electronic configuration 2, 8, 8, 2. Which period of the modern periodic table does this element belong to?

The correct option is B 4 Element X has electronic configuration 2, 8, 8, 2. Hence the element has 4 shells in the atom. Therefore, it belongs to the fourth period. So, the correct answer is option C.

The correct option is B 4

Element X has electronic configuration 2, 8, 8, 2.

Hence the element has 4 shells in the atom.

Therefore, it belongs to the fourth period.

So, the correct answer is option C.