posted by Cody Coen on .
whats silicons biggest isotope and which one is the smallest?
Naturally occurring isotopes
This table shows information about naturally occuring isotopes, their atomic masses, their natural abundances,
Isotope Atomic mass (ma/u) Natural abundance
28Si 27.9769271 92.2297 percent
29Si 28.9764949 4.6832 percent
30Si 29.9737707 3.0872 percent
Isotopic abundances of Si