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An element has its electronic configurat...

An element has its electronic configuration as 2, 8, 2. Now anwswer the following questions :
What is the group of this element?

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Atomic number of element is 12 and its electronic configuration is (2, 8, 2) . As it has 2 valence electrons, this element belongs to group 2 and its name is Magnesium (Mg).
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