88940
The [ Zn ] ion rapidly disproportionates into zinc metal and zinc ( II ) , and has been obtained only a yellow glass only by cooling a solution of metallic zinc in molten ZnCl .
 ZnCl
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 ZnCl