79 Au
Transition metal
Gold
Symbol of wealth; doesn’t tarnish.
Properties of Gold
- Atomic number (Z)
- 79
- Symbol
- Au
- Atomic mass
- 196.97 g/mol
- Category
- Transition metal
- Group
- 11
- Period
- 6
- Electron configuration
- [Xe] 4f¹⁴ 5d¹⁰ 6s¹
- Electronegativity (Pauling)
- 2.54
- Atomic radius
- 174 pm
- First ionization energy
- 890 kJ/mol
- Melting point
- 1337.33 K (1064.2 °C)
- Boiling point
- 3129 K (2855.8 °C)
- Density
- 19.282 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Known since ancient times
Frequently asked questions
What is Gold?
Gold (Au) is a transition metal, element number 79 on the periodic table. Symbol of wealth; doesn’t tarnish.
What is the atomic number and atomic mass of Gold?
Gold has atomic number 79 and an atomic mass of about 196.97 g/mol.
What is the electron configuration of Gold?
The electron configuration of Gold is [Xe] 4f¹⁴ 5d¹⁰ 6s¹.
Where is Gold on the periodic table?
Gold sits in group 11, period 6, and is classified as a transition metal.