Question

metallic character goes on decreasing while going from left to right in a period

Answer 1

metallic character is tendency of a element to lose electron so in 's block element outer most shell has one or two electron and it become easy to them to lose electron as well as ionizsation enthalpy very low to hold electron so they metallic in nature but as we move right to left it keep on decreasing due same electron added in same shell and it increases ionizastion enthalpy.