tomsharp · @tomsharp
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1804: William Hyde Wollaston and Smithson Tennant discovered 4 of the missing 5 platinum group metals: rhodium, palladium, iridium, and osmium. (sharpgiving.com/thebookofscien)

#poetry #science #history #metals #chemistry #platinumgroup #wollaston #tennant

Last updated 1 year ago