47 Ag 107.86822
Silver
TRANSITION METAL
Phase: Solid
Discovered: unknown, before 5000 BC
Block: D
Summary
Silver is a chemical element with symbol Ag (Greek:άργυρος árguros, Latin:argentum, both from the Indo-European root *h₂erǵ- for "grey" or "shining") and atomic number 47. A soft, white, lustrous transition metal, it possesses the highest electrical conductivity, thermal conductivity and reflectivity of any metal. The metal occurs naturally in its pure, free form (native silver), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite.
Appearance: lustrous white metal
Source: WikipediaPhysical Properties
Atomic Mass 107.86822 u
Density 10.49 g/cm³
Melting Point 1234.93 K
Boiling Point 2435 K
Molar Heat 25.35 J/(mol·K)
Electron Affinity 125.862 kJ/mol
Ionization Energies
1st: 731 kJ/mol
2nd: 2070 kJ/mol
3rd: 3361 kJ/mol