Arrange the following elements in order of their increasing metallic character Na,Si,Cl,Mg,Al ?

Q. Arrange the following elements in order of their increasing metallic character Na,Si,Cl,Mg,Al ?

A.            Cl>Si>Al>Mg>Na

B.            Na>Mg>Al>Si>Cl

C.            Na>Al>Mg>Cl>Si

D.            Al>Na>Si>Ca>Mg

Answer: Na>Mg>Al>Si>Cl