On the basis of their position in the periodic table, maximum metallic character is present in which element :
Se
As
Ge
Ga
In the periodic table, metallic character decreases across a period and increases down a group.
By considering their position in the Periodic Table, which one of the following elements would you expect to have maximum metallic characteristic?
Name two elements whose properties were predicted on the basis of their positions in Mendeleev’s periodic table.