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Aluminium Properties
Aluminium


Physical
0
Melting Point
660.37 °C 60
Boiling Point
2,467.00 °C 46
Hardness
0
Mohs Hardness
2.75 13
Brinell Hardness
160.00 MPa 45
Vickers Hardness
160.00 MPa 35
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
71.00 % 10
Speed of Sound
5,000.00 m/s 10
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
Al 0
Isotopes
0
Known Isotopes
11 27
Electronegativity
0
Pauling Electronegativity
1.61 22
Sanderson Electronegativity
1.71 13
Allred Rochow Electronegativity
1.47 14
Mulliken-Jaffe Electronegativity
1.83 8
Allen Electronegativity
1.61 20
Electropositivity
0
Pauling Electropositivity
2.39 32
Ionization Energies
0
1st Energy Level
577.50 kJ/mol 66
2nd Energy Level
1,816.70 kJ/mol 19
3rd Energy Level
2,744.80 kJ/mol 38
Electrochemical Equivalent
0.34 g/amp-hr 72
Electron Work Function
4.28 eV 19
Other Chemical Properties
Chemical Stability, Ionization, Radioactive Isotopes 0
Mechanical
0
Density
0
Density At Room Temperature
2.70 g/cm3 74
Density When Liquid (at m.p.)
2.38 g/cm3 52
Vapor Pressure
0
Vapor Pressure at 1000 K
0.00 (Pa) 18
Vapor Pressure at 2000 K
Not Available 0
Tensile Strength
40.00 MPa 19
Viscosity
Not Available 0
Elasticity properties
0
Shear Modulus
26.00 GPa 29
Bulk Modulus
76.00 GPa 18
Young's Modulus
70.00 GPa 28
Poisson Ratio
0.35 9
Other Mechanical Properties
Ductile, Malleable 0
Periodic Table
0
Symbol
Al 0
Group Number
13 5
Period Number
3 5
Block
p block 0
Element Family
Post-​Transition 0
Atomic
0
Atomic Number
13 88
Atomic Weight
26.98 amu 82
Atomic Volume
10.00 cm3/mol 49
Electron Configuration
[Ne] 3s2 3p1 0
Valence Electron Potential
80.70 (-eV) 17
Atom
0
Number of Protons
13 87
Number of Neutrons
14 65
Number of Electrons
13 87
Crystal Structure
Face Centered Cubic (FCC) 0
Crystal Lattice
FCC-Crystal-Structure-of-Aluminium.jpg#100 0
Radius of an Atom
0
Atomic Radius
143.00 pm 37
Covalent Radius
121.00 pm 53
Van der Waals Radius
184.00 pm 34
Lattice Constant
404.95 pm 22
Lattice Angles
π/2, π/2, π/2 0
Lattice C/A Ratio
Not Available 0
Adjacent Atomic Numbers
0
Next Element
9 0
Previous Element
10 0
Magnetic
0
Electrical Properties
0
Resistivity
28.20 nΩ·m 49
Electrical Conductivity
0.38 106/cm Ω 4
Electron Affinity
42.50 kJ/mol 26
Electrical Property
Conductor 0
Magnetic Characteristics
0
Specific Gravity
2.72 62
Magnetic Ordering
Paramagnetic 0
Permeability
0.00 H/m 4
Susceptibility
0.00 3
Thermal
0
Specific Heat
0.90 J/(kg K) 5
Thermal Conductivity
237.00 W/m·K 4
Critical Temperature
Not Available 0
Molar Heat Capacity
24.20 J/mol·K 53
Thermal Expansion
23.10 µm/(m·K) 17
Standard Molar Entropy
28.30 J/mol.K 55
Enthalpy
0
Enthalpy of Vaporization
293.70 kJ/mol 31
Enthalpy of Fusion
10.67 kJ/mol 35
Enthalpy of Atomization
322.20 kJ/mol 31
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