Am

Americium-229

Protons (Z)

95

Neutrons (N)

134

Mass number

229

Half-Life

1.8 s

Abundance

---

Mass

229.045 u

Mass Excess

42,180.0 keV

Spin

(5/2-)

Discovered

2015

Binding energy per nucleon

7,563 keV

Neutron separation energy

8,741 keV

Proton separation energy

1,217 keV

Decay Mode

Decay chain

Americium-229Z 95 · N 1341.8 s
α100%
α100%
α100%
α100%
α99.44%
β⁺96.1%
α99.546%
EC100%