79Au
Element 79
Gold
Transition metals
Gold is a chemical element with symbol Au (from Latin:aurum) and atomic number 79.
Key data
- Atomic number
- 79
- Atomic mass
- 196.967 u
- Group / Period
- 11 / 6
- Block
- d-block
- Phase at STP
- Solid
- Density
- 19.3 g/cm³
- Melting point
- 1064.2 °C
- Boiling point
- 2969.8 °C
- Electron configuration
- [Xe] 4f14 5d10 6s1
Common uses
- •Coinage and jewelry
- •Electronics
- •Dental fillings
Discovery
Year: Known since antiquity
Discovered by: Middle East
Frequently asked questions
What is the atomic number of Gold?
Gold has atomic number 79. Its symbol is Au and its atomic mass is 196.967 u.
What category of element is Gold?
Gold is classified as transition metals. It sits in group 11, period 6 of the periodic table.
What is Gold used for?
Common uses of Gold include: Coinage and jewelry, Electronics, Dental fillings.
When was Gold discovered?
Gold has been known since antiquity.
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