W

Tungsten-157

Protons (Z)

74

Neutrons (N)

83

Mass number

157

Half-Life

275.0 ms

Abundance

---

Mass

156.979 u

Mass Excess

-19,690.0 keV

Spin

(7/2-)

Discovered

2010

Binding energy per nucleon

7,828 keV

Neutron separation energy

---

Proton separation energy

979 keV

Decay Mode

β⁺Tantalum-157100%

Decay chain

Tungsten-157Z 74 · N 83275.0 ms
β⁺100%
α96.6%
α
β⁺99.74%
β⁺93%
β⁺100%
β⁺100%
β⁺83.3%
β⁺~100%
EC100%