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An unknown element, X, reacts with oxygen to form two oxides with the general formula X_2O_3 and X_2O_5. The pure element is strongly paramagnetic, and the oxides are amphoteric. Which of the following elements could be represented by X?a) Scb) Bc) Nd) Sbe) S
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An unknown element, X, reacts with oxygen to form two oxides with the general formula X_2O_3 and X_2...
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