|OTP appearance||golden solid|
|Coefficient of Thermal Expansion(×10-6 °C-1)||14.2|
Gold was one of the seven metals of antiquity, and has been used as currency for all of written history.
- unreactive coatings
- drawn into wire
- Elemental gold does occur naturally.
- Gold is generally recognized as safe, although soluble gold salts can cause harm if ingested.
Gold appears in nature primarily as an element, so it is gathered or harvested, "panned" or "mined" rather than produced.
Gold cxan be disposed of directly into the environment