Isotopes of Silicon

Notable Isotopes

28Si [14 neutrons]

Abundance: 92.23%

Stable with 14 neutrons

29Si [15 neutrons]

Abundance: 4.67%

Stable with 15 neutrons

30Si [16 neutrons]

Abundance: 3.1%

Stable with 16 neutrons

32Si [18 neutrons]

Abundance: synthetic

Half life: 132 years [ beta- ]

Decay Energy: 0.221 MeV

Decays to 32P.