Selenium is a chemical element.
Selenium dioxide
This compound is called selenium hexafluoride.
Selen is a given name for a female. It is of Turkish origin. The name means moon, light, or shine.
Selenium difluoride
Selenium
selenium dichloride
SELENIUM
Selenium hexafluoride
Selenium Hexasulfide
selenium is in the group IV so it belongs to the Chalcogen family :)
Selenium Tetrafluoride