79 Au 196.9665695

Gold

TRANSITION METAL

Phase: Solid

Discovered: Middle East

Block: D

Summary

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.

Appearance: metallic yellow

Source: Wikipedia

Physical Properties

Atomic Mass 196.9665695 u

Density 19.3 g/cm³

Melting Point 1337.33 K

Boiling Point 3243 K

Molar Heat 25.418 J/(mol·K)

Electron Affinity 222.747 kJ/mol

Ionization Energies

1^st: 890.1 kJ/mol

2^nd: 1980 kJ/mol