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Isotopes of Helium (click to see decay chain):
2
He
3
He
4
He
5
He
6
He
7
He
8
He
9
He
10
He
9
He
Half-life
Fermion, 2p 7n
7×10
-12
ns
Spin 1/2 Parity 1
Hide Decay Modes
Probability
Mode
Decay Energy
Daughter
100%
n
1.2701MeV
8
He
Show Ultimate Decay Products
Atomic Weight
9.043950286
Abundance
None
Mass Excess
40.939429MeV
Binding Energy
3.348637MeV
Magnetic Moment
N/A
Quadrupole Moment
N/A
Show Element Pictures.
Show only decay products of this isotope.
Click any isotope in diagram to see its data.
Decay chain image generated by
Mathematica
's
GraphPlot
and
IsotopeData
functions from
Wolfram Research, Inc.
.