Ag

Silver-99m

Protons (Z)

47

Neutrons (N)

52

Mass number

99

Half-Life

10.5 s

Abundance

---

Mass

98.918 u

Mass Excess

-76,206.0 keV

Spin

(1/2-)

Discovered

1978

Binding energy per nucleon

8,470 keV

Neutron separation energy

11,207 keV

Proton separation energy

2,174 keV

Decay Mode

γSilver-99100%

Decay chain

Silver-99Z 47 · N 5210.5 s
γ100%
β⁺100%
β⁺100%
β⁺100%