I want to know the answer to the following question:
What applications do chalcogenides have?
All the background I'm provided with is that "Of the four halides, ZnF_2 has the most ionic character, whereas the others (ZnCl_2, ZnBr_2, and ZnI_2) have relatively low melting points and are considered to have more covalent character.". Is that enough to answer the question?
Answer: no