Properties of Magnesium and Silver
Boiling Point
1,107.00 °C
  
99+
2,212.00 °C
  
99+
Hardness
  
  
Vickers Hardness
Not Available
  
Optical Properties
  
  
Refractive Index
Not Available
  
Not Available
  
Speed of Sound
4,940.00 m/s
  
11
2,680.00 m/s
  
34
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
Mg
  
Ag
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
737.70 kJ/mol
  
24
731.00 kJ/mol
  
27
2nd Energy Level
1,450.70 kJ/mol
  
99+
2,070.00 kJ/mol
  
11
3rd Energy Level
7,732.70 kJ/mol
  
5
3,361.00 kJ/mol
  
19
Electrochemical Equivalent
0.45 g/amp-hr
  
99+
4.02 g/amp-hr
  
7
Other Chemical Properties
Density
  
  
Density At Room Temperature
1.74 g/cm3
  
99+
10.49 g/cm3
  
35
Density When Liquid (at m.p.)
1.58 g/cm3
  
99+
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available
  
Vapor Pressure at 2000 K
Not Available
  
Not Available
  
Tensile Strength
Not Available
  
Not Available
  
Viscosity
Not Available
  
Not Available
  
Elasticity properties
  
  
Other Mechanical Properties
NA
  
Symbol
Mg
  
Ag
  
Period Number
3
  
5
  
Atomic Weight
107.87 amu
  
99+
Atomic Volume
13.97 cm3/mol
  
37
10.30 cm3/mol
  
99+
Electron Configuration
[Ne] 3s2
  
[Kr] 4d10 5s1
  
Valence Electron Potential
40.00 (-eV)
  
99+
11.40 (-eV)
  
99+
Atom
  
  
Crystal Lattice
HCP-Crystal-Structure-of-Magnesium.jpg#100
  
FCC-Crystal-Structure-of-Silver.jpg#100
  
Radius of an Atom
  
  
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available
  
Not Available
  
Adjacent Atomic Numbers
  
  
Electrical Properties
  
  
Resistivity
43.90 nΩ·m
  
99+
15.87 nΩ·m
  
99+
Electrical Conductivity
0.23 106/cm Ω
  
7
0.63 106/cm Ω
  
1
Electron Affinity
0.00 kJ/mol
  
40
125.60 kJ/mol
  
5
Magnetic Characteristics
  
  
Permeability
Not Available
  
Not Available
  
Susceptibility
Not Available
  
Specific Heat
1.02 J/(kg K)
  
4
0.24 J/(kg K)
  
25
Thermal Conductivity
156.00 W/m·K
  
8
429.00 W/m·K
  
1
Critical Temperature
Not Available
  
Not Available
  
Molar Heat Capacity
24.87 J/mol·K
  
99+
25.35 J/mol·K
  
99+
Thermal Expansion
24.80 µm/(m·K)
  
15
18.90 µm/(m·K)
  
23
Standard Molar Entropy
32.70 J/mol.K
  
99+
42.60 J/mol.K
  
35
Enthalpy
  
  
Enthalpy of Vaporization
128.70 kJ/mol
  
99+
255.10 kJ/mol
  
37
Enthalpy of Fusion
8.95 kJ/mol
  
39
11.30 kJ/mol
  
31
Enthalpy of Atomization
148.50 kJ/mol
  
99+
284.50 kJ/mol
  
37