Arsenic as

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.

Nitrogen group

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.

back to the periodic table

back to the start page for the year of the periodic table

to our brochure Chemistry of the Elements

published June 2019 with articles on 43 elements (7 MB, 160 pages)

Cover photo: Danielle Bonardelle /

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last modified: 10.05.2021 16:29 H from N/A