79
Au
196.97
Gold (Au)
Element 79 · Period 6 · Group 11
transition-metal
solid at room temp
d-block
About Gold
Prized since antiquity. Excellent conductor, non-reactive. Used in electronics and jewelry.
Physical Properties
Atomic Mass
196.97 u
State at 25°C
Solid
Melting Point
1064.18 °C
Boiling Point
2856 °C
Density
19.3 g/cm³
Magnetism
Diamagnetic
Atomic Properties
Electron Configuration
[Xe] 4f¹⁴ 5d¹⁰ 6s¹
Electron Shells
2, 8, 18, 32, 18, 1
Electronegativity
2.54
Atomic Radius
174 pm
Ionization Energy
890 kJ/mol
Oxidation States
+1, +3
Discovery & History
Discovered By
Ancient
Discovery Year
Ancient
Named By
Ancient
Name origin: Anglo-Saxon: gold; Symbol from Latin: aurum
Frequently Asked Questions
- Is Gold a metal, nonmetal, or metalloid?
- Gold is classified as a transition-metal.
- What state is Gold in at room temperature?
- Gold is a solid at standard room temperature (25°C).
- What is the atomic mass of Gold?
- Gold has an atomic mass of 196.97 atomic mass units (u).
- Who discovered Gold?
- Gold was discovered by Ancient.
- Where is Gold on the periodic table?
- Gold is element number 79, located in period 6 and group 11.