The element arsenic does not have a good reputation among the public and many only know it in connection with real or fictional criminal cases. After all, the poisonous effect of arsenic (As ₂ O ₃ ) has earned it the name ?legacy powder?. In addition to the toxicity of arsenic, its effects as a drug and other uses are described in this article. To the article about arsenic on the website Faszination Chemie.

Why arsenic is more than just a poisonous element is shown in this video from the Periodic Videos series.

This video shows how one can detect arsenic and antimony with the Marsh sample.

Arsenic in two and a half minutes is also available on the Deutschlandfunk Kultur podcast.