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.
The nitrogen group includes the elements nitrogen, phosphorus, arsenic, antimony, bismuth and the artificially produced radioactive moscovium. While nitrogen is a gaseous substance, phosphorus already occurs in several solid modifications. Arsenic is a semi-metal, while antimony and bismuth are metallic.
last modified: 10.05.2021 16:29 H from N/A