Am

Americium-246

Protons (Z)

95

Neutrons (N)

151

Mass number

246

Half-Life

39.0 m

Abundance

---

Mass

246.07 u

Mass Excess

64,994.0 keV

Spin

7-

Discovered

1955

Binding energy per nucleon

7,505 keV

Neutron separation energy

4,978 keV

Proton separation energy

5,473 keV

Decay Mode

β⁻Curium-246100%

Decay chain

Americium-246Z 95 · N 15139.0 m
β⁻100%
α99.974%
α~100%
α~100%
β⁻100%
β⁻100%
α~100%
α~100%
α~100%
α100%
α99.98%
β⁻100%
β⁻99.976%
α100%
β⁻~100%
β⁻~100%
α100%