DescriptionArsenictrioxide.jpg English: A sample of Arsenic(III) oxide. Čeština: Vzorek oxidu arsenitého. Date June 2005 Source Own work Author Picture
Creative Commons Attribution 4.0 truetrue English Historical Vial of ArsenicTrioxide from an old Pharmacy German Historisches Apothekenstandgefäß von Arsen(III)-oxid
DescriptionArsenictrioxide with label.JPG 500g Arsenictrioxide Date 23 August 2009 Source Own work Author Choij (talk) Other versions File:Arsenictrioxide'.jpg
the most toxic elements. Arsenictrioxide, As2O3, was for many centuries the most popular poison for assassination. But arsenic also was and is still used
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