Arsenic (symbol As) is a chemical element, a metalloid with atomic number 33 on the periodic table.

Characteristics and historyEdit

Arsenic has an atomic mass of 74.9216. This element was discovered by Humans for the first time in Earth's ancient history. (ST reference: Star Fleet Medical Reference Manual)

To humans, the substance was extremely poisonous, and exposure would often lead to a painful death.

For Klingons however, arsenic was not poisonous. In fact arsenic was a necessary part of the Klingon diet, and a arsenic deficiency could lead to a number of health problems for a Klingon. (TOS novel: Doctor's Orders)



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