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Shortis flare x2 54bce8434c9b5c2d32cc3508c0668f9e1814822d800dd5275acfe3af689dcf8d

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Elements x2 4fa31734d0ffbed86a718ff921c0e2506cf9de2561028410f7752287d6f6e441

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@mathias

Fluorine (F)

Element no. 9. The most reactive and electronegative element of them all. Very toxic gas or highly erosive acid with hydrogen but still used as coating in frying pans and as ingredient in toothpaste.