Am

Americium-246m

Protons (Z)

95

Neutrons (N)

151

Mass number

246

Half-Life

25.0 m

Abundance

---

Mass

246.07 u

Mass Excess

65,024.0 keV

Spin

(2-)

Discovered

1955

Binding energy per nucleon

7,505 keV

Neutron separation energy

4,948 keV

Proton separation energy

5,443 keV

Decay Mode

Decay chain

Americium-246Z 95 · N 15125.0 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%