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Template:Infobox silver

From Wikipedia, the free encyclopedia
Chemical element with atomic number 47 (Ag)
Silver,47Ag
Silver
Appearancelustrous white metal
Standard atomic weight Ar°(Ag)
Silver in the periodic table
Cu

Ag

Au
palladiumsilvercadmium
Atomic number (Z)47
Group group11
Period period5
Block d-block
Electron configuration [Kr ] 4d10 5s1
Electrons per shell2, 8, 18, 18, 1
Physical properties
Phase atSTP solid
Melting point 1234.93K (961.78°C,1763.2°F)
Boiling point 2435K(2162°C,3924°F)
Density (at20°C)10.503g/cm3[3]
(atSTP)10,515g/L
whenliquid (atm.p.)9.320g/cm3
Heat of fusion 11.28kJ/mol
Heat of vaporization 254kJ/mol
Molar heat capacity 25.350J/(mol·K)
Specific heat capacity 235.005J/(kg·K)
Vaporpressure
P(Pa) 1 10 100 1k 10k 100k
atT(K) 1283 1413 1575 1782 2055 2433
Atomic properties
Oxidation states common: +1
−2,[4] −1,[5] 0,[6] +2,[7] +3[7]
Electronegativity Paulingscale: 1.93
Ionization energies
  • 1st:731.0kJ/mol
  • 2nd:2070kJ/mol
  • 3rd:3361kJ/mol
Atomic radius empirical:144pm
Covalent radius 145±5pm
Van der Waals radius 172pm
Color lines in a spectral range
Spectral lines of silver
Other properties
Natural occurrenceprimordial
Crystal structure face-centered cubic (fcc)(cF4)
Lattice constant a=408.60pm (at20°C)[3]
Thermal expansion 18.92×ばつ10−6/K (at20°C)[3]
Thermal conductivity 429W/(m⋅K)
Thermal diffusivity 174mm2/s(at300K)
Electrical resistivity 15.87nΩ⋅m(at20°C)
Magnetic ordering diamagnetic [8]
Molar magnetic susceptibility −19.5×ばつ10−6cm3/mol(296K)[9]
Young's modulus 83GPa
Shear modulus 30GPa
Bulk modulus 100GPa
Speed of sound thinrod2680m/s(atr.t.)
Poisson ratio 0.37
Mohs hardness 2.5
Vickers hardness 251MPa
Brinell hardness 206–250MPa
CAS Number 7440-22-4
History
Naming a non-Indo-European wanderwort
Discovery before 5000 BC
Symbol"Ag": from Latin argentum
Isotopes of silver
Main isotopes[10] Decay
Isotope abun­dance half-life (t1/2) mode pro­duct
105Ag synth 41.29d ε 105Pd
106mAg synth 8.28d ε 106Pd
107Ag 51.8% stable
108mAg synth 439y ε 108Pd
IT 108Ag
109Ag 48.2% stable
110m2Ag synth 249.86d β 110Cd
111Ag synth 7.43d β 111Cd
Category: Silver
|references
child table, as reused in {IB-Ag}
Main isotopes of silver
Main isotopes[10] Decay
Isotope abun­dance half-life (t1/2) mode pro­duct
105Ag synth 41.29d ε 105Pd
106mAg synth 8.28d ε 106Pd
107Ag 51.8% stable
108mAg synth 439y ε 108Pd
IT 108Ag
109Ag 48.2% stable
110m2Ag synth 249.86d β 110Cd
111Ag synth 7.43d β 111Cd
Data sets read by {{Infobox element}}
Name and identifiers
Symbol etymology (11 non-trivial)
Top image (caption, alt) caption:
alt:
Pronunciation
Allotropes (overview)
Group (overview)
Period (overview)
Block (overview)
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Isotopes
Standard atomic weight
most stable isotope
Wikidata
Wikidata*
* Not used in {{Infobox element}} (2023年01月01日)
See also {{Index of data sets }}·Cat:data sets(45)·(this table:
)

References

These references will appear in the article, but this list appears only on this page.
  1. "Standard Atomic Weights: Silver". CIAAW. 1985.
  2. Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022年05月04日). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.
  3. 1 2 3 Arblaster, John W. (2018). Selected Values of the Crystallographic Properties of Elements. Materials Park, Ohio: ASM International. ISBN 978-1-62708-155-9.
  4. Ag(−2) have been observed as dimeric and monomeric anions in Ca5Ag3, (structure (Ca2+)5(Ag–Ag)4−Ag2−⋅4e); see Changhoon Lee; Myung-Hwan Whangbo; Jürgen Köhler (2010). "Analysis of Electronic Structures and Chemical Bonding of Metal-rich Compounds. 2. Presence of Dimer (T–T)4– and Isolated T2– Anions in the Polar Intermetallic Cr5B3-Type Compounds AE5T3 (AE = Ca, Sr; T = Au, Ag, Hg, Cd, Zn)". Zeitschrift für Anorganische und Allgemeine Chemie. 636 (1): 36–40. doi:10.1002/zaac.200900421.
  5. The Ag ion has been observed in metal ammonia solutions: see Tran, N. E.; Lagowski, J. J. (2001). "Metal Ammonia Solutions: Solutions Containing Argentide Ions". Inorganic Chemistry. 40 (5): 1067–68. doi:10.1021/ic000333x.
  6. Ag(0) has been observed in carbonyl complexes in low-temperature matrices: see McIntosh, D.; Ozin, G. A. (1976). "Synthesis using metal vapors. Silver carbonyls. Matrix infrared, ultraviolet-visible, and electron spin resonance spectra, structures, and bonding of silver tricarbonyl, silver dicarbonyl, silver monocarbonyl, and disilver hexacarbonyl". J. Am. Chem. Soc. 98 (11): 3167–75. Bibcode:1976JAChS..98.3167M. doi:10.1021/ja00427a018.
  7. 1 2 Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. p. 28. doi:10.1016/C2009-0-30414-6. ISBN 978-0-08-037941-8.
  8. Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
  9. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
  10. 1 2 Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3) 030001. doi:10.1088/1674-1137/abddae.

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