The element whose electronic configuration is $1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2}$ is:

metal

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mettalloid

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inert gas

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non-metal

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Solution

The correct option is A metal
According to question element have 12 electrons so it is $M g$ element and its last shell configuration is $3 s^{2}$ so that its belongs from $s -$ block and $s -$ block contains only metals.

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Similar questions

The element whose electronic configuration is $1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2}$ is a/an?

1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2}

1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2}

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{1}

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