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Which one of the following elements show...

Which one of the following elements shows maximum number of different oxidation states in its compounds?

A

Eu

B

La

C

Gd

D

Am

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The correct Answer is:
D
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V PUBLICATION-THE d- AND f- BLOCK ELEMENTS-QUESTION BANK
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  12. Which one of the following elements shows maximum number of different ...

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  13. Arrange Ce3+, La3+, Pm3+ and Yb3+ in increasing order of their ionic r...

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