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Shortis flare x2 e20b85211ef9ea30e259d7906f9f684ff400f6fd20314c6954510bf08ded4b19

“Easy to write, easy to read, easy to grasp”

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.