Au (I), referred to as the aurous ion, is the most common oxidation state with soft phosphines.    From Wordnik.com.  [Zach Klein Universal Feed] Reference

The element forms two series of salts in which it acts as a metal: in the aurous series the gold is univalent, the chloride having the formula AuCl; in the auric series it is trivalent, auric chloride having the formula.    From Wordnik.com.  [An Elementary Study of Chemistry] Reference

Operating on a perforated platinum basin, in the first instance, I placed a few milligrammes of the aurous chloride from a 15 grain tube precisely over the perforation, and then gently heated to about 200° C. till the salt melted and ran through the holes.    From Wordnik.com.  [Scientific American Supplement, No. 520, December 19, 1885] Reference

However, it is not chemically inert. oxidation states of gold include +1 (gold (I) or aurous compounds) and +3 (gold (III) or auric compounds).    From Wordnik.com.  [Zach Klein Universal Feed] Reference

J o u j a ™ said ... unique honey aurous lol la trust im not even close to the word brave that could be ghadoor but i am sure its not me; p y3afeech 7ubi,, ehwa ako dawam ba ana malie 5elg; p elghedrie.    From Wordnik.com.  [Safat: The KuwaitBlogs' Aggregator] Reference

Curiously, aurous complexes of water are rare.    From Wordnik.com.  [Zach Klein Universal Feed] Reference