chalcogen

/kal-kuh-juhn, -jen/US // ˈkæl kə dʒən, -ˌdʒɛn //UK // (ˈkælkəˌdʒɛn) //

氯化物,氯化石蜡,氯化物晶体,氯化钠

Definitions

n.名词 noun

1
- : Chemistry. any of the elements oxygen, sulfur, selenium, tellurium, and polonium, which form the VIa group in the periodic table.