[{"from": "human", "value": "What can you tell me about this molecule? [F][Zn][F]"}, {"from": "gpt", "value": "The molecule appears as a white powder or crystalline mass. Density 4.84 g / cm3. Slightly soluble in water and denser than water. Also insoluble as a hydrate. ZnF2.xH2O. Used for galvanizing steel and making ceramics."}]