An Unknown Element,X,reacts with Oxygen to Form Two Oxides with the General

question 79

Multiple Choice

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

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