₃₃As (Arsenic)

Arsenic compounds were mined by the early Chinese, Greek and Egyptian civilisations. No doubt they discovered its toxic properties early on. It is believed that Albertus Magnus obtained the element in 1250 A.D. who obtained it by heating soap together with orpiment (arsenic trisulphide, As2S3).

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Arsenic is a chemical element with symbol As and atomic number 33. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Arsenic is a metalloid.

Atomic Weight:   74.921595

Density:   5.727 g/cm3

Melting Point:   817 °C

Boiling Point:   614 °C

Copyright Reserved 2018 by Christian Felix Alavazo