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An element X belongs to 3 rd perio...

An element X belongs to 3 rd period and Group 2 of the periodic table . State ( a) The no . Of valence electrons (b ) The valency (c ) Whether it is metal or a non- metal

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The element 'x' Belongs to `3 ^(rd ) ` period and group 2 is Mg .
Electronic configuration of Mg (12) = `1s ^(2) 2s ^(2) 2p ^(6) 3s ^(2) `
(a) The no , of valence electrons =2.
b ) The valency =2. c ) It is a metal .
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