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List of top Chemistry Questions on d -and f -Block Elements

The common stable oxidation states of Eu and Gd are respectively
Which of the following is not a transition metal?
The magnetic moment of \( \text{Mn}^{3+} \) is:
Which of the following is the correct electron configuration for the ion \(\text{Fe}^{3+}\)?
Which is the inner transition element of the following?