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Question
An unknown element, X, reacts with oxygen to form two oxides with the general formula X2O3 and X2O5. The pure element is strongly paramagnetic, and the oxides are amphoteric. Which of the following elements could be represented by X?A) Sc
B) Na
C) Bi
D) S
E) Sb
Answer
This answer is hidden. It contains 1 characters.
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