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Chemical structures of silver


Chemical Informations about Silver

silver → cadmium
Cu
↑ Ag ↓ Au
Tabelle

General

Name, Symbol, Number

silver, Ag, 47

Chemical series

transition metals

Group, Period, Block

11, 5, d

Appearance

lustrous white metal
Tabelle

Atomic mass

107.8682(2) g/mol

Electron configuration

[Kr] 4d10 5s1

Electrons per shell

2, 8, 18, 18, 1

Physical properties

Color

silver

Phase

solid

Density (near r.t.)

10.49 g/cm³

Liquid density at m.p.

9.320 g/cm³

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

Heat of vaporization

258 kJ/mol

Heat capacity

(25 °C) 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

Atomic properties

Crystal structure

face-centered cubic

Oxidation states

1
(amphoteric oxide)

Electronegativity

1.93 (Pauling scale)

Ionization energies

1st: 731.0 kJ/mol

2nd: 2070 kJ/mol

3rd: 3361 kJ/mol

Atomic radius

160 pm

Atomic radius (calc.)

165 pm

Covalent radius

153 pm

Van der Waals radius

172 pm

Miscellaneous

Magnetic ordering

diamagnetic

Electrical resistivity

(20 °C) 15.87 nΩ·m

Thermal conductivity

(300 K) 429 W/(m·K)

Thermal diffusivity

(300 K) 174 mm²/s

Thermal expansion

(25 °C) 18.9 µm/(m·K)

Speed of sound (thin rod)

(r.t.) 2680 m/s

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

24.5 MPa

CAS registry number

7440-22-4

Notable 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% Ag is stable with 60 neutrons
108mAg syn 418 y ε - 108Pd
IT 0.109 108Ag
γ 0.433, 0.614,
0.722
-
109Ag 48.161% Ag is stable with 62 neutrons
111Ag syn 7.45 d β- 1.036, 0.694 111Cd
γ 0.342 -

 

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