In

Indium-121n

Protons (Z)

49

Neutrons (N)

72

Mass number

121

Half-Life

7.3 µs

Abundance

---

Mass

120.911 u

Mass Excess

-83,290.0 keV

Spin

(25/2+)

Discovered

2002

Binding energy per nucleon

8,443 keV

Neutron separation energy

5,631 keV

Proton separation energy

6,622 keV

Decay Mode

γIndium-121100%

Decay chain

Indium-121Z 49 · N 727.3 µs
γ100%
β⁻100%
β⁻100%