an element X from group 2 of the periodic table reacts with element Y from group 17 to form a compound what is the nature of a compound .state whether the compound formed will conduct electricity or not? give the formula of the compound formed? what is the valency of element x? how many electrons are there in the outermost shell of an atom of element why?
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The nature of the compound will be ionic compound.it will conduct electricity in molten state.
X+Y2=xy2
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the compoind form is xy2 the valency of x is +2 2electron in the outermost shell
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