Silver

Property Value
Atomic Number 47
Element Silver
Symbol Ag
Atomic Mass 107.868 u
Number of Neutrons 60 (most common isotope, Silver-107)
Number of Protons 47
Number of Electrons 47
Period 5
Group 11
Phase Solid
Radioactive No
Natural Yes
Metal Yes
Nonmetal No
Metalloid No
Type Transition Metal
Atomic Radius 165 pm
Electronegativity 1.93 (Pauling scale)
First Ionization Energy 7.576 eV
Density 10.49 g/cm³
Melting Point 961.78 °C
Boiling Point 2162 °C
Number of Isotopes 2 stable (Silver-107, Silver-109)
Discoverer Known since ancient times
Year Unknown
Specific Heat 0.235 J/g·K
Number of Shells 5
Number of Valence Electrons 11