I

Iodine-117

Protons (Z)

53

Neutrons (N)

64

Mass number

117

Half-Life

2.22 m

Abundance

---

Mass

116.914 u

Mass Excess

-80,439.0 keV

Spin

(5/2+)

Discovered

1969

Binding energy per nucleon

8,404 keV

Neutron separation energy

11,090 keV

Proton separation energy

2,464 keV

Decay Mode

β⁺Tellurium-117100%
β⁺77%

Decay chain

Iodine-117Z 53 · N 642.22 m
β⁺100%
β⁺100%
β⁺100%