धातु गियर घड़ी - लाइव वॉलपेपर। अविश्वसनीय रूप से सुंदर और शक्तिशाली वीडियो लाइव

Metal gear clock - Live Wallpaper. Incredibly beautiful and powerful video live wallpaper with huge clockwork that runs on your eyes. Powerful gears, ring gears that rotate through each other. Attractive cool metal luster necessarily produce an impression on you and will not leave indifferent.

Metals - a class of chemical elements and compounds with chemical and physical properties.

Simple stuff iron - silver-gray, electrically conductive, ductile and malleable metal.

In the solid state have a crystalline structure, marked malleability. The atoms of metals have low ionization energy and low electron affinity, so easily lose electrons to form cations. In the compound usually includes both cations. Together, they are the central atoms are positively charged. How atoms in metal crystals caused by extreme mobility of valence electrons in the crystal lattice formed by positive metal ions.