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Element 47 - Silver (Ag) sound

From Old English seolfor, for silver; symbol Ag from its Latin name argentum, or prehistoric; the best conductor of heat and electricity. Its salts are basic in photgraphy; when silver bromide is exposed to light, it undergoes a chemical change which the developer then makes visible.

Properties

Atomic Number: 47
Atomic Weight: 107.868
Electron Configuration (at ground state): 1s22s22p63s23p63d104s24p64d105s1
Oxidation States (Bold most stable): +1
Boiling Point (K): 2436
Melting Point (K): 1235.08
Density (at 300K -- g/cm3): 10.50
Atomic Volume (at 300K -- cm3/mol) 10.30
Number of stable isotopes: 2
Mass Number (Bold naturally occurring) -- Half-Life -- Disintigration Type: 108 -- 127 years -- orbital electron capture
110 -- 252 days -- beta particle (electron) emission
111 -- 7.45 days -- beta particle (electron) emission
Covalent Radius (Å): 1.34
Atomic Radius (Å): 1.44
First Ionization Potential (V): 7.576
Electronegativity (Pauling's): 1.93
Specific Heat Capacity (at 300K -- J g-1 K-1): 0.235
Heat of Vaporization (kJ/mol): 250.63
Heat of Fusion (kJ/mol): 11.30
Electrical Conductivity (at 293K for polycrystalline material -- 106 (ohms)-1 cm-1): 62.9
Thermal Conductivity (at 300K -- W m-1 K-1): 429
Crystal Structure: Cubic, face centered
Acid-Base Properties: Amphoteric