వెండి, 00 Ag Appearance lustrous white metal
Group మూస:Infobox element/symbol-to-group/format Period period 5 Block d-block Electron configuration [Kr ] 4d10 5s1 Electrons per shell 2, 8, 18, 18, 1 Phase at STP solid Melting point 1234.93 K (961.78 °C, 1763.2 °F) Boiling point 2435 K (2162 °C, 3924 °F) Density (near r.t. ) 10.49 g/cm3 when liquid (at m.p. ) 9.320 g/cm3 Heat of fusion 11.28 kJ/mol Heat of vaporization 250.58 kJ/mol Molar heat capacity 25.350 J/(mol·K) Vapor pressure
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
1283
1413
1575
1782
2055
2433
Oxidation state s−2, −1, 0,[ 3] +1 , +2, +3 (an amphoteric oxide) Electronegativity Pauling scale: 1.93 Atomic radius empirical: 144 pm Covalent radius 145±5 pm Van der Waals radius 172 pm Spectral line s of వెండిNatural occurrence primordial Crystal structure face-centered cubic (fcc) Speed of sound thin rod 2680 m/s (at r.t. ) Thermal expansion 18.9 µm/(m⋅K) (at 25 °C) Thermal conductivity 429 W/(m⋅K) Thermal diffusivity 174 mm2 /s (at 300 K) Electrical resistivity 15.87 n Ω⋅m (at 20 °C) Magnetic ordering diamagnetic [ 4] Young's modulus 83 GPa Shear modulus 30 GPa Bulk modulus 100 GPa Poisson ratio 0.37 Mohs hardness 2.5 Vickers hardness 251 MPa Brinell hardness 206 MPa CAS Number 7440-22-4 Discovery before 5000 BC Symbol "Ag": from Latin argentum Template:infobox వెండి isotopes does not exist Category: వెండి | references
References
These references will appear in the article, but this list appears only on this page.
↑ "Standard Atomic Weights: Silver" . CIAAW . 1985.
↑ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; et al. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)" . Pure and Applied Chemistry (in ఇంగ్లీష్). doi :10.1515/pac-2019-0603 . ISSN 1365-3075 .
↑ 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. doi :10.1021/ja00427a018 .
↑ Magnetic susceptibility of the elements and inorganic compounds in Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5 .