Aluminium

13.Aluminium

Al~(26.9815 g/mol)


Topic covered

Aluminium
Aluminium atom
Wikipedia aluminium
Details of aluminium

Latin name:

Aluminium


English name:

Aluminum


Year discovered:

1825


CAS Number:

CAS7429-90-5


Discovered by:

Hans Christian Ørsted


Image

Aluminium
Image source - Google | Photo by image of elements 


Electron shell:

K2 L8 M3 N0 O0 P0 Q0 R0


Electrons:13

Protons:13

Neutrons:14


Atomic number:

13


Atomic weight (Relative atomic mass):

26.9815(g/mol)


Density:

2.6989 (g/cm³) (g/cm³)


Melting point:

660.0°C = 1220.0°F = 933.15K


Boiling point:

2518.82°C = 4565.88°F = 2791.97K


Phase:

Solid


Valence:

I, III


Period:

3


Group:

IIIA


Block:

p – block


Electron configuration:

[Ne]3s2 3p1

1s2 2s2 2p6 3s2 3p1


Oxidation states:

+3


Ion charge:

Al3+


The ionisation potential of an atom:

5.95 (eV)


Atomic radius:

143 (pm) 


Covalent radius:

118 (pm)


Van der Waals radius:

184 (pm)


Electronegativity:

1.61


Valence:

I, III


Electron affinity:

42.5 (kJ/mole)


Electrical conductivity:

3.8 107 (S/m)


Electrical type:

Conductor


Magnetic type:

Paramagnetism


Volume magnetic susceptibility:

0.0000211


Mass magnetic susceptibility:

0.0000000078


Molar magnetic susceptibility:

2.1 10-10 (m³/mol)


Resistivity:

2.6 10-8 (mΩ)


Superconducting point:

-271.97°C   =   -457.55°F   =   1.18K


Crystal structure:

Face-centered cubic


Grid parameters:

4.050 Ã…


Attitude c/a :

----


Debye temperature:

120.85°C   =   249.53°F   =   394.0K

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