Question 116
What is the common oxidation state of Europium (Eu) in its compounds, besides +3?
Question 117
What is a characteristic property of the +4 oxidation state of Cerium (Ce) in aqueous solution?
Question 118
What is the highest oxidation state commonly exhibited by Neptunium (Np)?
Question 119
Which Actinoid commonly exhibits oxidation states ranging from +3 to +7?
Question 120
Which Lanthanoid commonly exhibits both +3 and +4 oxidation states in its compounds?