← Back to periodic table

Gold (Au)

Atomic number: 79 · Category: transition metal · Group 11 · Period 6 · Phase: Solid

Gold is a chemical element with symbol Au (from Latin:aurum) and atomic number 79. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable and ductile metal. Chemically, gold is a transition metal and a group 11 element.

Atomic mass: 196.9665695
Density: 19.3
Melting point: 1337.33 K
Boiling point: 3243 K
Appearance: metallic yellow
Source: Wikipedia
Block: d
Molar heat: 25.418
CPK color:#ffd123

Electronic structure

Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s1 4f14 5d10
Configuration (semantic): [Xe] 4f14 5d10 6s1
Shells: 2, 8, 18, 32, 18, 1
Electronegativity (Pauling): 2.54
Electron affinity: 222.747
Ionization energies: 890.1, 1980

Periodic position

Group: 11
Period: 6
xpos: 11
ypos: 6

Spectral/Bohr images

Image
Ultrapure Gold Leaf
3D Model