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عدد اکسایش برای طلا 3+ و در برخی ترکیبات 1+، که عدد 1+ معمولا ناپایدار است و در شیمی، این عدد معمولا 3+ در نظر گرفته میشود. طلا خیلی سادهتر از دیگر فلزات توسط واکنش اکسایش-کاهش جانشین میشود. ترکیبات مهم طلا عبارتند از: $$AuCl$$، $$AuCl_{3}$$ و «کلورآریک اسید» $$(HAuCl_{4})$$. در ترکیب اول، عدد اکسایش طلا 1+، و در دو ترکیب دیگر 3+ است. هر سه این ...
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