Science Books in Malayalam - Poornna Books
Science book in Malayalam - carbon. about carbon and its properties. carbon is a chemical element with symbol and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. It belongs to group 14 of the periodic table. Three isotopes occur naturally, 12C and 13C being stable, while 14C is a radionuclide, decaying with a half-life of about 5,730 years. Carbon is one of the few elements known since antiquity.
Carbon is present in coal, oil and natural gas. Main natural sources of carbon and its compound which are industrially important are coal, petroleum and natural gas which contribute to our national economy in a big way. Carbon also occurs in a number of minerals. You might have seen that when kerosene oil lamp burns it produces black soot which contains carbon particles. You might have also seen that when any some materials like wood, paper are burnt, a black residue is left which contains carbon.
No comments:
Post a Comment