Isotopes of Chlorine

Notable Isotopes

35Cl [18 neutrons]

Abundance: 75.77%

Stable with 18 neutrons

36Cl [19 neutrons]

Abundance: synthetic

Half life: 3.01 x 105 years [ beta- ]

Decay Energy: 0.709 MeV

Decays to 36Ar.

Half life: 3.01 x 105 years [ Electron Capture ]

Decay Energy: unknown MeV

Decays to 36S.

37Cl [20 neutrons]

Abundance: 0.063%

Stable with 20 neutrons