The valency of an element X is 1 and th...

The valency of an element X is 1 and that of oxygen is 2. What will be the formula of the compound formed by the combination of element X with oxygen ?

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The formula of compound of element X with oxygen can be found as follows :

Thus, the formula of compound of element X with oxygen is `X_(2)O`.
(Please note that the element X of valency 1 is like hydrogen , H. So, the compound `X_(2)O` may be the water, `H_(2)O`)

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