Asked by al

If the formula of a oxide is X2O3, what is the formula of the chloride of X?
(A) XCl3 (B) XCl (C) X3Cl (D) XCl6
Answered by DrBob222
The formula is X2O3 for the oxide. Since oxygen has a valence of -2, then X must have a valence of +3. Cl has a valence of -1; therefore, the formula for the chloride will be XCl3.
Answered by HI HI M8
basically the atom in x of nektonic substance must mean x is equal to the 9th o f your overall answer so your answer is 69
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