Metallurgical Metal Silicon Materials

Silicon metal, 

We can live without gold, and without diamond as, but we cannot definitely live without silicon its compounds. If we search all the history, few materials are found that have made our world dependent to themselves as much as silicon has made. Today, silicon is used in almost everything we use from mobile phone and laptops to TVs and even children's toys and doors and windows and vehicle bodies and is somehow the leader of industry development. Silicon or cilcium (in French) with chemical sign of Si is a chemical element in the family of pseudo-metals which is placed in 14th group and 3rd period of the Periodic Table of Elements. This element is a crisp and hard crystalline solid which a bright blue-gray color. Atomic number of this element is 14 and has 4 electrons in its valence shell. Atomic mass of silicon is 28.086 and has three stable isotopes. Reactivity of this element is less than non-metallic carbon which is in the same group and above this element. But its reactivity is more than pseudo-metal Germanium placed below it. Density of this substance is around 2330 kg/m3 and is solid in its natural state. Its melting point is around 1414 ̊C and has a boiling point of 2900 ̊C.