General | States | Energies | Oxidation & Electrons |Appearance & Characteristics
Reactions | Other Forms |Radius | Conductivity | Abundance
Encyclopedia Britannica articles


Name Silver Symbol Ag
atomic number 47 Atomic weight 107.868
Density @ 293 K 10.5 g/cm3 Atomic volume 10.3 cm3/mol
Group Trans. Met. discovered 0


state (s, l, g) s
melting point 1235.1 K boiling point 2428 K
Heat of fusion 11.30 kJ/mol Heat of vaporization 250.580 kJ/mol
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1st ionization energy 731 kJ/mole electronegativity 1.93
2nd ionization energy 2073.5 kJ/mole electron affinity 125.6 kJ/mole
3rd ionization energy 3360.6 kJ/mole Specific heat 0.235 J/gK
heat atomization 284 kJ/mole atoms

Oxidation & Electrons

Shells 2,8,18,18,1 electron configuration [Kr] 4d10 5s1
minimum oxidation number 0 maximum oxidation number 3
min. common oxidation no. 0 max. common oxidation no. 3
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Appearance & Characteristics

structure fcc: face-centered cubic color silvery
uses film(AgBr),coins,jewelry toxicity
hardness 3.25 mohs characteristics soft, ductile, tarnishes


reaction with air mild, = Ag2O reaction with 6M HCl none
reaction with 6M HCl none reaction with 15M HNO3 mild, = AgNO3
reaction with 6M NaOH
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Other Forms

number of isotopes 2 hydride(s) none
oxide(s) Ag2O chloride(s) AgCl


ionic radius (2- ion) pm ionic radius (1- ion) pm
atomic radius 144 pm ionic radius (1+ ion) 129 pm
ionic radius (2+ ion) 108 pm ionic radius (3+ ion) 89 pm
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thermal conductivity 429 J/m-sec-deg electrical conductivity 630.5 1/mohm-cm
polarizability 7.9 A^3


source Argentite (sulfide) rel. abund. solar system -0.313 log
abundance earth's crust -1.2 log cost, pure 120 $/100g
cost, bulk 14 $/100g
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World Wide Web presentation of Chemicool Periodic Table is © Copyright 1996-99 by David D. Hsu. Some data were provided by and used with the permission of JCE Software and is owned and copyright by the Division of Chemical Education, Inc. Additional data were provided by Perkin-Elmer through Peter Lykos of IIT. The information may not be redistributed without the permission of David Hsu or JCE Software.