New address! - www.periodni.com/en/as.html - A very attractive periodic table, available in 6 languages (German, English, French, Croatian, Italian and Spanish) and 12 temperature, completely designed in CSS.
www.ktf-split.hr/periodni/en/as.html
Home About This Site Comments Help Links Window Version Show Table With: Name Atomic Number Atomic Mass Electron Configuration Number of Neutrons Melting Point Boiling Point Date of Discovery Crystal Structure Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals Metalloids Non-Metals Halogens Noble Gases Rare Earth Elements Basic Information | Atomic Structure | ...
www.chemicalelements.com/elements/as.html
The Element Arsenic - Basic Physical and Historical Information ...
education.jlab.org/itselemental/ele033.html
Statistics and information on the worldwide supply, demand, and flow of arsenic ...
minerals.usgs.gov/minerals/pubs/commodity/arsenic
Discovered : by Albertus Magnus in the 13th century Origin : The name comes from 'arsenikon', the Greek name for the pigment yellow orpiment. Description : Although it is now strongly linked with poison, arsenic was once used widely as a medicine. Dr Fowlers Solution (potassium arsenate dissolved in water) was a popular cure-all tonic in Victorian times - even Charles Dickens used it. Arsenic ...
www.chemsoc.org/viselements/pages/arsenic.html