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The Hierarchy Rule as Used in the Original UCR System

question 3

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The hierarchy rule as used in the original UCR system:


Definitions:

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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