Selenium
Se
Information
The atomic number is 34 and the mass number is 79. It is a non-metal solid and lives in the oxygen family. You can find Selenium in group 16 or period 4.
Decolonization of glass and red coloring.
The glass industry uses selenium to decolorize and make red glass.
Solar cells
Selenium was first used in solar cells, this was a scientific breakthrough that is helping the enviorment.
Photographic toner
Selenium is also used in toner. This brings color to our pictures.