What is a common characteristic of the highest oxides of transition metals (e.g., Mn2O7, CrO3)? - d and f BLOCK ELEMENTS Quiz | GKFix.in

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Question

What is a common characteristic of the highest oxides of transition metals (e.g., Mn2O7, CrO3)?

A. They tend to be basic.
B. They tend to be amphoteric.
C. They tend to be acidic.
D. They are always ionic.