An atom of an element has the electronic configuration $2, 8, 2$ . To which group does it belong?

4^{t h}

group

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6^{t h}

group

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3^{r d}

group

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2^{n d}

group

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Solution

The correct option is D $2^{n d}$ group
The valence electrons give us the idea of group number. Element with electronic configuration 2,8,2 belongs to the $2^{n d}$ group.

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An atom of an element has the electronic configuration 2, 8, 2. To which group does it belong?

The correct option is D 2nd groupThe valence electrons give us the idea of group number. Element with electronic configuration 2,8,2 belongs to the 2nd group.

An atom of an element has the electronic configuration $2, 8, 2$ . To which group does it belong?

The correct option is D $2^{n d}$ group
The valence electrons give us the idea of group number. Element with electronic configuration 2,8,2 belongs to the $2^{n d}$ group.