write the formula of the compound between two elements x and y belonging to group 1 and 16 of the modern periodic table
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Explanation:
a) The valence number of electrons in X is 1 and in Y is 2.
b) The valency of the element is determined by the number of electrons in the outermost shell . Thus, the valency of element X is 1 and Y is 2.
c) Element X is more metallic than Y.
d) The size of element X is more than Y.
e) The formulae of oxide of element X is X
2
O and Y is YO
The formulae of chlorides of element X is XCl and Y is YCl
2
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