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Isotopes of silicon
Silicon (Si) has numerous known isotopes, with mass numbers ranging from 22 to 44. 28Si (the most abundant isotope, at 92.23%), 29Si (4.67%), and 30Si (3.1%) are stable; 32Si is a radioactive isotope produced by argon decay. Its half-life has been determined to be approximately 170 years (0.21 MeV), and it decays by beta - emission to 32P (which has a 14.28 day half-life ) and then to 32S. The standard atomic mass is 28.0855(3) u
Additional recommended knowledge
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Isotopes_of_silicon". A list of authors is available in Wikipedia.|