The electronic configuration of Aluminum can also be [Ne]3s23p1The configurations of the type 2.8.3 are based on Rutherford's or Bohr model of atom whereas configurations of the type [Ar]3d?4s? are based on Quantum Mechanical Model of AtomAll this happens because science is constantly evolving and what is believed to be correct at one point in time is soon proved wrongAnd, electronic configof the type 2.8.3 are just an attempt to dumb it downno offense! :)
In India all the paper mills are importing old and over issue news paper, computer printout, kraftpaper, old magazinesAluminium scrap like old vessals, sheets of bits and old pistons is purchased in india at a better price and are importingplastics are also imported, but i donot know the marketold cable scrape is also required in india
