the elements X belongs to 3rd period and 2nd group.is it metal or non metal?why?
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(a) The element X has 2 valence electrons because it belongs to group 2. (b) Since the number of valence electrons and the valency of group 2 elements is 2, the valency of element X is 2. (c) Group 2 is on the left side of the periodic table which consists of metals. Therefore X is a metal.
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since the compound belong to third period and2nd group which is known as alkaline earth metal . so our compound will be metal. metal are the type of compounds which are good conductors of electricity .
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