General: |
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Name: Silver
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Symbol: Ag
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Group: Trans. Met.
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Atomic weight: 107.868
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Density @ 293 K: 10.5 g/cm3
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Atomic volume: 10.3 cm3/mol
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Group: Trans. Met.
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discovered: 0
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States: |
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state (s, l, g): s
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melting point: 1235.1 K
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boiling point: 2428 K
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Heat of fusion: 11.30 kJ/mol
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Heat of vaporization: 250.580 kJ/mol
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Energies: |
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1st ionization energy: 731 kJ/mole
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electronegativity: 1.93
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2nd ionization energy: 2073.5 kJ/mole
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electron affinity: 125.6 kJ/mole
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3rd ionization energy: 3360.6 kJ/mole
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Specific heat: 0.235 J/gK
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heat atomization: 284 kJ/mole atoms
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Oxidation & Electrons: |
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Shells: 2,8,18,18,1
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electron configuration: [Kr] 4d10 5s1
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minimum oxidation number: 0
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maximum oxidation number: 3
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min. common oxidation no.: 0
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max. common oxidation no.: 3
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Appearance & Characteristics: |
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structure: fcc: face-centered cubic
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color: silvery
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uses: film(AgBr),coins,jewelry
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toxicity:
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hardness: 3.25 mohs
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characteristics: soft, ductile, tarnishes
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Reactions: |
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reaction with air: mild, =>Ag2O
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reaction with 6M HCl: none
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reaction with 6M HCl: none
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reaction with 15M HNO3: mild, =>AgNO3
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reaction with 6M NaOH:
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Other Forms: |
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number of isotopes: 2
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hydride(s): none
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oxide(s): Ag2O
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chloride(s): AgCl
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Radius: |
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ionic radius (2- ion): pm
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ionic radius (1- ion): pm
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atomic radius: 144 pm
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ionic radius (1+ ion): 129 pm
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ionic radius (2+ ion): 108 pm
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ionic radius (3+ ion): 89 pm
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Conductivity: |
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thermal conductivity: 429 J/m-sec-deg
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electrical conductivity: 630.5 1/mohm-cm
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polarizability: 7.9 A^3
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Abundance: |
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source: Argentite (sulfide)
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rel. abund. solar system: -0.313 log
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abundance earth's crust: -1.2 log
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cost, pure: 120 $/100g
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cost, bulk: 14 $/100g
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