Au

Gold-172m

Protons (Z)

79

Neutrons (N)

93

Mass number

172

Half-Life

11.0 ms

Abundance

---

Mass

171.99 u

Mass Excess

-9,160.0 keV

Spin

(9+)

Discovered

1993

Binding energy per nucleon

7,765 keV

Neutron separation energy

9,669 keV

Proton separation energy

-1,021 keV

Decay Mode

Decay chain

Gold-172Z 79 · N 9311.0 ms
α100%
α100%
α
β⁺
β⁺99.3%
β⁺100%
β⁺100%
β⁺100%
EC100%
β⁺100%