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Arsenic Ions
Ions that contain arsenic in different oxidation states, often toxic and present in various environmental and industrial contexts.
Orpiment
A natural mineral composed of arsenic sulfide (As2S3), historically used as a pigment and with various industrial and medicinal applications.
Soluble Sulfide
A compound containing the sulfide ion that is soluble in water, often producing hydrogen sulfide gas upon contact with acid.
Arsenic
A toxic metalloid element with the symbol As and atomic number 33, known for its various allotropes and compounds.
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