Posted by **Cody Coen** on Tuesday, November 13, 2012 at 4:33pm.

whats silicons biggest isotope and which one is the smallest?

- science -
**bobpursley**, Tuesday, November 13, 2012 at 4:39pm
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

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