Hg

Mercury-199m

Protons (Z)

80

Neutrons (N)

119

Mass number

199

Half-Life

42.67 m

Abundance

---

Mass

198.969 u

Mass Excess

-29,013.6 keV

Spin

13/2+

Discovered

1948

Binding energy per nucleon

7,903 keV

Neutron separation energy

6,131 keV

Proton separation energy

6,722 keV

Decay Mode

γMercury-199100%

Decay chain

Mercury-199Z 80 · N 11942.67 m
γ100%