Periodic table

Selenium-82 (Se-82)

Identity

Protons
34
Neutrons
48
Mass number
82
Mass
81.92 ± 0.50 u
Mass excess
-77.594 MeV
Spin
0+

Stability

Half-life: 8.76 × 10¹⁹ years

Natural occurrence

8.820 % of selenium

Decays to

All isotopes of selenium