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Information valid for Ag-108 unless otherwise noted

Basic Information

Symbol: Ag
Atomic Number: 47
Mass: 107.8682
Melting Point: 961.93 C
Boiling Point: 2212.0 C
Number of Protons/Electrons: 47
Number of Neutrons: 61
Classification: Transition Metal
Crystal Structure: Cubic
Density @ 293 K: 10.5 g/cm3
Color: silver

Atomic Structure

[Bohr Model of Silver]
Number of Energy Levels: 5

  1. First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 18
    Fourth Energy Level: 18
    Fifth Energy Level: 1


Isotope Half Life
Ag-105 41.3 days
Ag-105m 7.2 minutes
Ag-106m 8.4 days
Ag-107 Stable
Ag-108 2.4 minutes
Ag-108m 130.0 years
Ag-109 Stable
Ag-109m 39.8 seconds
Ag-110 24.6 seconds
Ag-110m 249.8 days
Ag-111 7.47 days


Date of Discovery: Known to the ancients
Discoverer: Unknown
Name Origin: From the Old English word seolfor (silver)
Symbol Origin: From the Latin word argentum (silver)
Uses: jewelry, photography, electrical conductor
Obtained From: ores (argentite, light ruby silver, dark ruby silver, brittle silver)