Aluminium

Latin nameAluminium
English nameAluminium
chemical symbolAl
atomic number13
relative atomic mass26,981539
period3
groupIII.A
classificationmetals
discovery year1825
discovererC. Oersted
melting point [°C]660,37
boiling point [°C]2519
density [g cm-3]2,702
density at melting point [g cm-3]2,375
electronegativity [Pauling]1,5
oxidation statesI, II, III
electron configuration[Ne]3s2 3p1
atomic radius [pm]118
covalent radius [pm]118
specific heat [J g-1K-1]0,9
heat of fusion [kJ mol-1]10,79
thermal conductivity [W m-1 K-1]237
el. conductivity [S m-1]37,7.106
el. resistivity [10-6 Ω.m]0,0267
1. ionizing potential [eV]5,9858
2. ionizing potential [eV]18,828
3. ionizing potential [eV]28,447
Mohs hardness2,75
Vickers hardness [MPa]167
Brinell hardness [MPa]245
shear modulus [GPa]26
Young's modulus [GPa]70
point superconductivity [K]1,175
state at normal conditionssolid

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