No

Nobelium-254m

Protons (Z)

102

Neutrons (N)

152

Mass number

254

Half-Life

264.9 ms

Abundance

---

Mass

254.092 u

Mass Excess

86,019.0 keV

Spin

(8-)

Discovered

1973

Binding energy per nucleon

7,418 keV

Neutron separation energy

6,411 keV

Proton separation energy

2,440 keV

Decay Mode

SF0.02%

Decay chain

Nobelium-254Z 102 · N 152264.9 ms
γ~100%
α90%
α~100%
α~100%
α~100%
α~100%
α~100%
α~100%
α~100%
α100%
α99.98%
β⁻100%
β⁻99.976%
α100%
β⁻~100%
β⁻~100%
α100%