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Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
lustrous white metal

Electrolytically refined silver
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan silver, Ag, 47
Paglitok /ˈsɪlvər/
Kategoriyang elemento transition metal
Group, period, block 115, d
Gibug-aton sa atomo 107.8682
Kontorno sa elektron [Kr] 4d10 5s1
2, 8, 18, 18, 1
Electron shells of silver (2, 8, 18, 18, 1)
Pagkadiskobre before 5000 BC
Physical properties
Phase solid
Density (near r.t.) 10.49 g·cm−3
Liquid density at m.p. 9.320 g·cm−3
Melting point 1234.93 K, 961.78 °C, 1763.2 °F
Boiling point 2435 K, 2162 °C, 3924 °F
Heat of fusion 11.28 kJ·mol−1
Heat of vaporization 250.58 kJ·mol−1
Molar heat capacity 25.350 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1283 1413 1575 1782 2055 2433
Atomic properties
Oxidation states 1, 2, 3 (amphoteric oxide)
Electronegativity 1.93 (Pauling scale)
Ionization energies 1st: 731.0 kJ·mol−1
2nd: 2070 kJ·mol−1
3rd: 3361 kJ·mol−1
Atomic radius 144 pm
Covalent radius 145±5 pm
Van der Waals radius 172 pm
Crystal structure face-centered cubic
Silver has a face-centered cubic crystal structure
Magnetic ordering diamagnetic[1]
Electrical resistivity (20 °C) 15.87 nΩ·m
Thermal conductivity 429 W·m−1·K−1
Thermal diffusivity (300 K) 174 mm²/s
Thermal expansion (25 °C) 18.9 µm·m−1·K−1
Speed of sound (thin rod) (r.t.) 2680 m·s−1
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 registry number 7440-22-4
Most stable isotopes
Main article: Isotopes of silver
iso NA half-life DM DE (MeV) DP
105Ag syn 41.2 d ε - 105Pd
γ 0.344, 0.280,
0.644, 0.443
106mAg syn 8.28 d ε - 106Pd
γ 0.511, 0.717,
1.045, 0.450
107Ag 51.839% 107Ag is stable with 60 neutrons
108mAg syn 418 y ε - 108Pd
IT 0.109 108Ag
γ 0.433, 0.614,
109Ag 48.161% 109Ag is stable with 62 neutrons
111Ag syn 7.45 d β 1.036, 0.694 111Cd
γ 0.342 -
· r

Ang pilak (silver) maoy usa ka elementong kemikal nga Ag ang minubo.

References[usba | usba ang wikitext]

  1. 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.