Properties of Aluminium and Strontium
Boiling Point
2,467.00 °C
  
99+
1,384.00 °C
  
99+
Hardness
  
  
Brinell Hardness
160.00 MPa
  
99+
Not Available
  
Vickers Hardness
Not Available
  
Optical Properties
  
  
Refractive Index
Not Available
  
Not Available
  
Reflectivity
Not Available
  
Speed of Sound
5,000.00 m/s
  
10
Not Available
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
Al
  
Sr
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
577.50 kJ/mol
  
99+
549.50 kJ/mol
  
99+
2nd Energy Level
1,816.70 kJ/mol
  
19
1,064.20 kJ/mol
  
99+
3rd Energy Level
2,744.80 kJ/mol
  
38
4,138.00 kJ/mol
  
10
Electrochemical Equivalent
0.34 g/amp-hr
  
99+
1.64 g/amp-hr
  
99+
Other Chemical Properties
Density
  
  
Density At Room Temperature
2.70 g/cm3
  
99+
2.64 g/cm3
  
99+
Density When Liquid (at m.p.)
2.38 g/cm3
  
99+
2.38 g/cm3
  
99+
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available
  
Not Available
  
Tensile Strength
Not Available
  
Viscosity
Not Available
  
Not Available
  
Elasticity properties
  
  
Bulk Modulus
Not Available
  
Other Mechanical Properties
NA
  
Symbol
Al
  
Sr
  
Period Number
3
  
5
  
Atomic Volume
10.00 cm3/mol
  
99+
33.70 cm3/mol
  
6
Electron Configuration
[Ne] 3s2 3p1
  
[Kr] 5s2
  
Valence Electron Potential
80.70 (-eV)
  
17
25.70 (-eV)
  
99+
Atom
  
  
Crystal Lattice
FCC-Crystal-Structure-of-Aluminium.jpg#100
  
FCC-Crystal-Structure-of-Strontium.jpg#100
  
Radius of an Atom
  
  
Lattice Angles
π/2, π/2, π/2
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available
  
Not Available
  
Adjacent Atomic Numbers
  
  
Electrical Properties
  
  
Resistivity
28.20 nΩ·m
  
99+
132.00 nΩ·m
  
24
Electrical Conductivity
0.38 106/cm Ω
  
4
0.08 106/cm Ω
  
26
Electron Affinity
42.50 kJ/mol
  
26
5.03 kJ/mol
  
38
Electrical Property
NA
  
Magnetic Characteristics
  
  
Permeability
Not Available
  
Susceptibility
Not Available
  
Specific Heat
0.90 J/(kg K)
  
5
0.30 J/(kg K)
  
18
Thermal Conductivity
237.00 W/m·K
  
4
35.40 W/m·K
  
37
Critical Temperature
Not Available
  
Not Available
  
Molar Heat Capacity
24.20 J/mol·K
  
99+
26.40 J/mol·K
  
28
Thermal Expansion
23.10 µm/(m·K)
  
17
22.50 µm/(m·K)
  
18
Standard Molar Entropy
28.30 J/mol.K
  
99+
55.00 J/mol.K
  
26
Enthalpy
  
  
Enthalpy of Vaporization
293.70 kJ/mol
  
31
150.00 kJ/mol
  
99+
Enthalpy of Fusion
10.67 kJ/mol
  
35
9.16 kJ/mol
  
38
Enthalpy of Atomization
322.20 kJ/mol
  
31
163.20 kJ/mol
  
99+