silver

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Symbol:

Ag

Atomic Number:

47

Relative Atomic Mass:

107.8682 g mol^-1

Natural Abundance in Lithosphere, hydrosphere and atmosphere:

10^-5% (mass fraction)

Electron Configuration:

[Kr]4d¹⁰5s

Oxidation States:

II, I

Atomic Radius:

144.5pm

Covalent Radius:

134pm

Ionic Radius:

79pm (for +2 oxidation state)

67pm (for +1 oxidation state)

Melting Point:

961.9°C

Density:

10.49 g cm^-3 (at 20°C)

First Ionisation Energy:

7.576 eV

Reduction Potential:

0.800V

for Ag⁺ + e^- a Ag_(s)

Electronegativity (Allred and Rochow):

1.4

Number of Natural Isotopes:

2

Mass Number of the Most Abundant Isotopes:

107 g mol^-1 a 51.8% abundance

109 g mol^-1 a 48.2% abundance