Isotopes and Compounds

COMPOUNDS- Auric chloride (AuCl3) and chlorauric acid (HAuCl4) are the most common compounds of gold. Although gold is a noble metal it can form many compounds such as:

AuF₃: gold (III) fluoride
AuF₅: gold (V) fluoride
AuCl: gold (I) chloride
[AuCl₃]₂: gold (III) chloride
Au₄Cl₈: gold (I, III) chloride
AuBr: gold (I) bromide
[AuBr₃]₂: gold (III) bromide
AuI: gold (I) iodide
AuI₃: gold (III) iodide
Au₂O₃: gold (III) oxide
Au₂S: gold (I) sulphide
Au₂S₃: gold (III) sulphide
AuSe: gold (I, III) selenide
Au₂Se₃: gold (III) selenide
AuTe₂: gold ditelluride

ISOTOPES: There are 18 isotopes of Gold. Au 198 is many times used to treat cancer and other illnesses. Below is a list of the most common non-radioactive Gold isotopes

Isotope	Half Life
Au-194	1.6 days
Au-195	186.1 days
Au-195	30.5 seconds
Au-196	6.2 days
Au-197	Stable
Au-198	2.7 days
Au-199	3.14 days

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