Arrange the following elements in the order of their decreasing metallic character: $Na, Si, Cl, Mg, Al$

Question

$\begin{array}{1 1} a. Cl > Si >Al > Mg > Na \\ b. Na >Mg >Al >Si > Cl \\ c. Na > Al > Mg > Cl > Si \\ d. Al > Na> Si > Ca > Mg \end{array}$