Elements X and Y have 2 and 6 electrons in th | vedclass

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Question

(A) Element $X$ has $2$ valence electrons,so it loses $2$ electrons to form $X^{2+}$ ion $(X 	o X^{2+} + 2e^-)$.Element $Y$ has $6$ valence electrons

Vedclass · Accepted Answer

$XY$

Vedclass · Answer

(A) Element $X$ has $2$ valence electrons,so it loses $2$ electrons to form $X^{2+}$ ion $(X 	o X^{2+} + 2e^-)$.Element $Y$ has $6$ valence electrons,so it gains $2$ electrons to form $Y^{2-}$ ion $(Y + 2e^- 	o Y^{2-})$.Combining these ions in a $1:1$ ratio to maintain electrical neutrality,the formula of the compound is $XY$.

Elements $X$ and $Y$ have $2$ and $6$ electrons in their outermost shells,respectively. If they combine,what is the expected formula of the compound?

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