Se - Selenium
Products contain Selenium elements.
Element: Selenium
Symbol: Se
Atomic Number: 34
Atomic Mass: 78.96 amu
Melting Point: 217.0 °C (490.15 K, 422.6 °F)
Boiling Point: 684.9 °C (958.05005 K, 1264.8201 °F)
Number of Protons/Electrons: 34
Number of Neutrons: 45
Classification: Non-metal
Crystal Structure: Hexagonal
Density @ 293 K: 4.79 g/cm3
Color: gray
