- Atomic Radius (Å)
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.
79
Atomic Number
196.97
Atomic Mass (u)
1337.73
Melting Point (K)
3129
Boiling Point (K)
19.3
Density (solid: g/cm³, gas: g/liter)
1.8
Atomic Radius (Å)
1.36
Covalent Radius (Å)
2.54
Electronegativity
9.23
First Ionization Energy (eV)
222.75
Electron Affinity
6
Number of Shells
2, 8, 18, 32, 18, 1
Electron Shell Occupations
0.13
Specific Heat (J/g)