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Properties of Gold and Silver

Gold Metal
Silver Metal
swap <> Properties of Silver & Gold
Physical Properties

Melting Point
1,064.43 °C
99+
961.93 °C
99+
📊

Boiling Point
2,807.00 °C
36
2,212.00 °C
99+
📊

Hardness

Mohs Hardness
2.50
14
2.50
14
📊

Brinell Hardness
194.00 MPa
99+
251.00 MPa
37
📊

Vickers Hardness
216.00 MPa
31
229.00 MPa
30
📊

Optical Properties

Refractive Index
Not Available
Not Available
📊

Reflectivity
95.00 %
2
97.00 %
1
📊

Speed of Sound
2,030.00 m/s
99+
2,680.00 m/s
34
📊

Allotropes

α Allotropes
Not Available
Not Available

β Allotropes
Not Available
Not Available

γ Allotropes
Not Available
Not Available

Chemical Properties

Chemical Formula
Au
Ag

Isotopes

Known Isotopes
36
3
36
3
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Electronegativity

Pauling Electronegativity
2.54
1
1.93
9
📊

Sanderson Electronegativity
Not Available
1.83
11
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Allred Rochow Electronegativity
1.42
18
1.42
18
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Mulliken-Jaffe Electronegativity
1.87
7
1.47
15
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Allen Electronegativity
1.92
5
1.87
7
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Electropositivity

Pauling Electropositivity
1.46
99+
2.07
99+
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Ionization Energies

1st Energy Level
890.10 kJ/mol
8
731.00 kJ/mol
27
📊

2nd Energy Level
1,980.00 kJ/mol
12
2,070.00 kJ/mol
11
📊

3rd Energy Level
Not Available
3,361.00 kJ/mol
19
📊

Electrochemical Equivalent
2.45 g/amp-hr
21
4.02 g/amp-hr
7
📊

Electron Work Function
5.10 eV
4
4.26 eV
20
📊

Other Chemical Properties
?
Stable metals are non radioactive metals and have zero valence electrons in the outer shell.Chemical Stability, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility
?
Stable metals are non radioactive metals and have zero valence electrons in the outer shell.Chemical Stability, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility

Mechanical Properties

Density

Density At Room Temperature
19.30 g/cm3
15
10.49 g/cm3
35
📊

Density When Liquid (at m.p.)
17.31 g/cm3
6
9.32 g/cm3
21
📊

Vapor Pressure

Vapor Pressure at 1000 K
0.00 (Pa)
23
0.00 (Pa)
14
📊

Vapor Pressure at 2000 K
67.00 (Pa)
4
Not Available
📊

Tensile Strength
120.00 MPa
15
Not Available
📊

Viscosity
Not Available
Not Available
📊

Elasticity properties

Shear Modulus
27.00 GPa
27
30.00 GPa
23
📊

Bulk Modulus
180.00 GPa
9
100.00 GPa
16
📊

Young's Modulus
79.00 GPa
24
83.00 GPa
23
📊

Poisson Ratio
0.40
4
0.37
7
📊

Other Mechanical Properties
?
Ductility of metals defines their ability to deform under tensile stress; this is often characterized by the metals ability to be stretched into a wire.Ductile, 
?
Malleability of metals defines their ability to deform under compressive stress; this is often characterized by the metals ability to form a thin sheet by hammering or rolling.Malleable
?
Ductility of metals defines their ability to deform under tensile stress; this is often characterized by the metals ability to be stretched into a wire.Ductile, 
?
Malleability of metals defines their ability to deform under compressive stress; this is often characterized by the metals ability to form a thin sheet by hammering or rolling.Malleable

Periodic Table

Symbol
Au
Ag

Group Number
11
7
11
7
📊

Period Number
6
5
📊

Block
?
The d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d block
?
The d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d block
📊

Element Family
?
What is Transition Metal? All transition metals are placed under the d-block from group number 3 to 12. Transition metals show characteristics like malleability, ductility and are good conductor of electricity.Transition Metal
?
What is Transition Metal? All transition metals are placed under the d-block from group number 3 to 12. Transition metals show characteristics like malleability, ductility and are good conductor of electricity.Transition Metal
📊

Atomic Properties

Atomic Number
79
37
47
99+
📊

Atomic Weight
196.97 amu
33
107.87 amu
99+
📊

Atomic Volume
10.20 cm3/mol
99+
10.30 cm3/mol
99+
📊

Electron Configuration
[Xe] 4f14 5d10 6s1
[Kr] 4d10 5s1

Valence Electron Potential
43.40 (-eV)
99+
11.40 (-eV)
99+
📊

Atom

Number of Protons
79
37
47
99+
📊

Number of Neutrons
118
24
61
99+
📊

Number of Electrons
79
37
47
99+
📊

Crystal Structure
?
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most common and simplest shapes found in crystals and minerals.Face Centered Cubic (FCC)
?
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most common and simplest shapes found in crystals and minerals.Face Centered Cubic (FCC)
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Crystal Lattice
FCC-Crystal-Structure-of-Gold.jpg#100
FCC-Crystal-Structure-of-Silver.jpg#100

Radius of an Atom

Atomic Radius
151.00 pm
32
144.00 pm
36
📊

Covalent Radius
144.00 pm
40
145.00 pm
39
📊

Van der Waals Radius
166.00 pm
39
172.00 pm
38
📊

Lattice Constant
407.82 pm
21
408.53 pm
20
📊

Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2

Lattice C/A Ratio
1.61
4
Not Available
📊

Adjacent Atomic Numbers

Next Element

Previous Element

Magnetic Properties

Electrical Properties

Resistivity
2.20 nΩ·m
99+
15.87 nΩ·m
99+
📊

Electrical Conductivity
0.45 106/cm Ω
3
0.63 106/cm Ω
1
📊

Electron Affinity
222.80 kJ/mol
1
125.60 kJ/mol
5
📊

Electrical Property
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor
📊

Magnetic Characteristics

Specific Gravity
19.32
8
10.50
26
📊

Magnetic Ordering
?
Diamagnetic metals produce a magnetic field opposite to the applied magnetic field. Thus, they are repelled by magnets and show magnetic nature.Diamagnetic
?
Diamagnetic metals produce a magnetic field opposite to the applied magnetic field. Thus, they are repelled by magnets and show magnetic nature.Diamagnetic
📊

Permeability
Not Available
Not Available
📊

Susceptibility
Not Available
0.00
5
📊

Thermal Properties

Specific Heat
0.13 J/(kg K)
39
0.24 J/(kg K)
25
📊

Thermal Conductivity
318.00 W/m·K
3
429.00 W/m·K
1
📊

Critical Temperature
Not Available
Not Available

Molar Heat Capacity
25.42 J/mol·K
40
25.35 J/mol·K
99+
📊

Thermal Expansion
14.20 µm/(m·K)
26
18.90 µm/(m·K)
23
📊

Standard Molar Entropy
47.40 J/mol.K
32
42.60 J/mol.K
35
📊

Enthalpy

Enthalpy of Vaporization
324.40 kJ/mol
27
255.10 kJ/mol
37
📊

Enthalpy of Fusion
12.55 kJ/mol
27
11.30 kJ/mol
31
📊

Enthalpy of Atomization
364.00 kJ/mol
25
284.50 kJ/mol
37
📊