Selenium
SELENIUM SOURCE IN THE USA
Ratnam Steel is a distributor of high purity metal powders and compounds including Selenium. We have Selenium in many purities. Check availability with our sales department to see if Ratnam Steel can provide your Selenium metal requirement.
Selenium Information
Chemical Symbol: Se
Atomic Number: 34
Atomic Mass: 78.96 amu
Density at 293 K: 4.79 g/cm3
Melting Point: 217.0 °C (490.15 K, 422.6 °F)
Boiling Point: 684.9 °C (958.05005 K, 1264.8201 °F)
Number of Electrons / Protons: 34
Number of Neutrons: 45
Classification: Non-Metal
Crystal Structure: Hexagonal
Group in Periodic Table: 16
Group Name: Chalcogen
Period in Periodic Table: 4
Block in Periodic Table: P-Block
Color: Grey, Metallic Lustre
Classification: Non-Metallic