Se

Selenium-77m

Protons (Z)

34

Neutrons (N)

43

Mass number

77

Half-Life

17.36 s

Abundance

---

Mass

76.92 u

Mass Excess

-74,437.58 keV

Spin

7/2+

Discovered

1947

Binding energy per nucleon

8,693 keV

Neutron separation energy

7,257 keV

Proton separation energy

9,435 keV

Decay Mode

γSelenium-77100%

Decay chain

Selenium-77Z 34 · N 4317.36 s
γ100%