A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]
Silicon -- chemistry : Interactions of nanomaterials with emerging environmental contaminants / Ruey-an Doong, editor, National Tsing Hua University, Hsinchu, Taiwan, Virender K. Sharma, editor, Florida Institute of Technology, Melbourne, Florida, United States, Hyunook Kim, editor, University of Seoul, Seoul, Republic of Korea ; sponsored by the ACS Division of Environmental Chemistry
Silicon crystals -- Defects -- Congresses : Gettering and defect engineering in semiconductor technology XIV : selected papers from the XIVth International Biannual Meeting on Gettering and Defect Engineering in Semiconductor [Technology], (GADEST2011) September 25-30, 2011, Loipersdorf (Fürstenfeld), Austria / edited by W. Jantsch and F. Schäffler
Silicon Dioxide -- adverse effects. : The abuse of medical diagnostic practices in mass litigation : the case of silica / Stephen J. Carroll, Lloyd Dixon, James M. Anderson, Thor Hogan, Elizabeth M. Sloss