The drop of sodium-potassium alloy exposed to the action of the water vapor (VIDEO)

Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences (IOCB Prague)

Caption

The drop of sodium-potassium alloy exposed to the action of the water vapor at 10-4 mbar. A layer of water forms on the drop, in which electrons liberated from the metal dissolve, giving it a golden metallic sheen.

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Video: Phil Mason / IOCB Prague

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