Among the elements of group 14 the one having highest tendency to show stable +2 oxidation state is

Which of the following elements of lanthanide series have highest tendency to show +2 oxidation state?

Which of the following elements of lanthanide series have highest tendency to show +2 oxidation state?

Among the elements of group 14, the element having highest and that with lowest melting point are respectively.

Among the elements of group 14, which element shows the highest tendency for catenation?

The element which has a tendency to show positive and negative oxidation states is

With F highest stable oxidation state of Mn is

With F highest stable oxidation state of Mn is

With F highest stable oxidation state of Mn is