What does "chalcogen" mean?

Any element of group 16 of the periodic table: oxygen, sulfur, selenium, tellurium or polonium.

What is a synonym for "chalcogen"?

Common synonyms include: sulphurs.

Pronounced //ˈkælkəd͡ʒən//.

/ˈkælkəd͡ʒən/ noun

noun ·Rare ·Advanced level

Noun

1
Any element of group 16 of the periodic table: oxygen, sulfur, selenium, tellurium or polonium.

"A dichalcogenide is a chemical compound containing two chalcogen anions and at least one more electropositive element."

From chalco- (“ore”) + -gen (“forming”).