Isotopes of Plutonium
Notes
Plutonium has no stable isotopes.
Notable Isotopes
238
Pu
[144 neutrons]
Abundance:
synthetic
Half life:
88 years
Decay Energy:
?
MeV
Decays to ?.
Half life:
88 years [
Alpha Decay
]
Decay Energy:
5.5
MeV
Decays to
234
U
.
239
Pu
[145 neutrons]
Abundance:
trace
Half life:
24.1 x 10
3
years
Decay Energy:
?
MeV
Decays to ?.
Half life:
24.1 x 10
3
years [
Alpha Decay
]
Decay Energy:
5.245
MeV
Decays to
235
U
.
240
Pu
[146 neutrons]
Abundance:
synthetic
Half life:
6.5 x 10
3
years
Decay Energy:
?
MeV
Decays to ?.
Half life:
6.5 x 10
3
years
Decay Energy:
0.005
MeV
Decays to
240
Am
.
241
Pu
[147 neutrons]
Abundance:
synthetic
Half life:
14 years [
Alpha Decay
]
Decay Energy:
4.9
MeV
Decays to
237
U
.
Half life:
14 years
Decay Energy:
?
MeV
Decays to .
242
Pu
[148 neutrons]
Abundance:
synthetic
Half life:
3.73x 10
5
years
Decay Energy:
?
MeV
Decays to ?.
Half life:
3.73x 10
5
years [
Alpha Decay
]
Decay Energy:
4.984
MeV
Decays to
238
U
.
244
Pu
[150 neutrons]
Abundance:
synthetic
Half life:
8.08 x 10
7
years [
Alpha Decay
]
Decay Energy:
4.66
MeV
Decays to
240
U
.
Half life:
8.08 x 10
7
years
Decay Energy:
?
MeV
Decays to ?.