What is the electronic configuration of silver?

silver

Silver: characteristics

Atomic number:

47

Symbol:

Ag

Name (German):

silver

Name (English):

Silver (official name according to IUPAC)

Outdated:

Argentum

Group:

Copper group

IUPAC group:

11 (old nomenclature: group I B)

Period:

5

Dimensions (rounded):

107.87 u (rounded to the five significant digits)

Dimensions (exact):

107.8682 u +/- 2 digit (s) [1]

Occurrence:

Naturally

Frequency:

1,00 · 10-5 % (percentage by mass of the earth's shell, i.e. the earth's crust / oceans up to 16 km depth)

CAS number [2]:

7440-22-4

Silver: atomic properties

Atomic radius (empirical):

160 pm

Atomic radius (calculated):

165 pm

Covalent radius:

153 pm

Van der Waals radius:

172 pm

Atomic volume:

10.30 cm3/ mol

Ionization energies:

kJ / moleV
1.731 kJ / mol7.576 eV
2.2070 kJ / mol21.454 eV
3.3361 kJ / mol34.834 eV

Oxidation numbers:

II, I.
(most important highlighted in bold)

Electronegativity (Pauling):

1,93

Electronegativity (Allred / Rochow):

1,4

Ionic radius:

126 pm

Grid energy:

2.96 eV / particle

Number nat. Isotopes:

2

Number of stable isotopes:

2

Number of unstable isotopes:

14

Stable isotopes:

isotopefrequency
107Ag51,83%
109Ag48,17%

Radioactive isotopes:

isotopeHalf-life
110Ag250d (i.e. days, from lt. this)

(The list contains only the most important isotope with a known half-life.)

Electron configuration:

[Kr] 4d105s
OrbitalElectrons
1s2
2s2
2p6
3s2
3p6
3d10
4s2
4p6
4d10
4f0
5s1
5p0
5d0
5f0

Shell model:

  • 1 electrons in the outermost occupied shell
  • 18 electrons in the second to last occupied shell
  • 18 electrons in the occupied shell below

Silver: material properties

Melting point:

1234 K (~ 960.85 ° C)

Boiling point:

2435 K (~ 2161.85 ° C)

State of aggregation:

fixed (under normal conditions)

Crystal structure:

Cubic area-centered

Metal properties:

Metal (transition metal)

Specific heat of fusion:

11.3 kJ / mol

Specific heat of vaporization:

250.63 kJ / mol

Thermal conductivity:

429 W / m / K

Specific heat capacity:

0.235 J / gK

Electric conductivity:

62,89 · 106 S / m

Specific density:

10.501 g / cm3
(under normal conditions)

Expansion coefficient:

19,7 · 10-6/ K
(linear thermal expansion coefficient α)

Main lines in the spectrum:

421.2 nm
447.3 nm
455.3 nm
466.9 nm
520.9 nm
546.5 nm


 
Remarks:
  1. 1 digit = least significant digit, i.e. 2.435 +/- 3 digits means 2.432 ... 2.438
  2. The "CAS Registry Number" is that of the element silver from Chemical Abstracts Service Assigned key number, which makes it easier to find specialist articles about this element in all publications and databases structured according to the CAS system.
    Legal notice: CAS registry number is a registered trademark of the American Chemical Society.