Br

Bromine-81

Protons (Z)

35

Neutrons (N)

46

Mass number

81

Half-Life

Stable

Abundance

49.35%

Mass

80.916 u

Mass Excess

-77,977.1 keV

Spin

3/2-

Discovered

1920

Binding energy per nucleon

8,696 keV

Neutron separation energy

10,159 keV

Proton separation energy

7,507 keV

Decay Mode

---