Aluminium
aspect 13 of periodic table is Aluminium through atomic number 13, atomic weight 26.981538. Aluminium, symbol Al, has a Face focused Cubic structure and Silver color. Aluminium is a post-transition steel element. Trivial surname of Aluminium is triels, icosagens. Recognize everything around Aluminium Facts, physical Properties, chemistry Properties, electronic configuration, Atomic and also Crystal Structure.

Aluminium (or aluminum; see different endings) is a chemical element in the boron team with symbol Al and atomic number 13. That is a silvery-white, soft, nonmagnetic, ductile metal. Aluminium is the third most abundant aspect (after oxygen and silicon), and also the most abundant metal, in the Earth"s crust.
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Aluminium Facts
Read key information and also facts around element Aluminium
name | Aluminium |
atom Number | 13 |
atomic Symbol | Al |
Atomic load | 26.981538 |
step | Solid |
shade | Silver |
Classification | post-transition metal |
team in routine Table | 13 |
Group Name | boron household |
duration in routine Table | 3 |
Block in periodic Table | p-block |
Electronic Configuration | |
Melting allude | 660.32 °C |
Boiling allude | 2519 °C |
Electronic shell Structure | <2, 8, 3> |
CAS Number | CAS7429-90-5 |
ar
5
B
6
C
13
Al
14
Si
30
Zn
31
Ga
32
Ge
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
1 | 1 H 2 He | |||||||||||||||||
2 | 3 Li 4 Be 5 B 6 C 7 N 8 O 9 F 10 Ne | |||||||||||||||||
3 | 11 Na 12 Mg 13 Al 14 Si 15 P 16 S 17 Cl 18 Ar | |||||||||||||||||
4 | 19 K 20 Ca 21 Sc 22 Ti 23 V 24 Cr 25 Mn 26 Fe 27 Co 28 Ni 29 Cu 30 Zn 31 Ga 32 Ge 33 As 34 Se 35 Br 36 Kr | |||||||||||||||||
5 | 37 Rb 38 Sr 39 Y 40 Zr 41 Nb 42 Mo 43 Tc 44 Ru 45 Rh 46 Pd 47 Ag 48 Cd 49 In 50 Sn 51 Sb 52 Te 53 I 54 Xe | |||||||||||||||||
6 | 55 Cs 56 Ba 72 Hf 73 Ta 74 W 75 Re 76 Os 77 Ir 78 Pt 79 Au 80 Hg 81 Tl 82 Pb 83 Bi 84 Po 85 At 86 Rn | |||||||||||||||||
7 | 87 Fr 88 Ra 104 Rf 105 Db 106 Sg 107 Bh 108 Hs 109 Mt 110 Ds 111 Rg 112 Cn 113 Nh 114 Fl 115 Mc 116 Lv 117 Ts 118 Og | |||||||||||||||||
Lanthanides | 57 La 58 Ce 59 Pr 60 Nd 61 Pm 62 Sm 63 Eu 64 Gd 65 Tb 66 Dy 67 Ho 68 Er 69 Tm 70 Yb 71 Lu | |||||||||||||||||
Actinide | 89 Ac 90 Th 91 Pa 92 U 93 Np 94 Pu 95 Am 96 Cm 97 Bk 98 Cf 99 Es 100 Fm 101 Md 102 No 103 Lr |
explore our interactive periodic table
How to find Aluminium on regular Table
Periodic table is i ordered it by atom number, number of protons in the nucleus i m sorry is exact same as number of electrons. The atom number boosts from left to right. Periodic table beginning at height left ( atomic number 1) and ends at bottom best (atomic number 118). As such you can straight look because that atomic number 13 to uncover Aluminium on routine table.
Another means to read regular table and locate an facet is by using team number (column) and period number (row). To find Aluminium on routine table look because that cross ar of group 13 and duration 3 in the contemporary periodic table.
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Table the Contents
History
Abundance
Physical Properties
Thermal Properties
Crystal Structure
Atomic & orbit Properties
Chemical Properties
Isotopes
Health and also Safety Parameters and also Guidelines
Databases
Compare Aluminium with other elements
Aluminium History
The aspect Aluminium was uncovered by nobody in year 1825 in Denmark . Aluminium derived its surname from alumina, a link (originally aluminum)
Aluminium Presence: diversity in Nature and Around Us
The table below shows the variety of Aluminium in Universe, Sun, Meteorites, Earth"s Crust, Oceans and also Human Body.
variety in universe | 5e-05 |
abundance in sun | 6e-05 |
variety in Meteorites | 0.0091 |
Abundance in Earth"s crust | 0.081 |
abundance in seas | 5×10-7% |
variety in humans | 9e-07 |
Crystal structure of Aluminium
The solid state framework of Aluminium is Face focused Cubic.
The crystal structure deserve to be defined in terms of its unit Cell. The unit cells repeats chin in three dimensional space to kind the structure.
Unit cabinet Parameters
The unit cell is stood for in regards to its lattice parameters, which space the lengths of the cell edges Lattice Constants (a, b and also c)
404.95 | 404.95 | 404.95 pm |
and the angles between them Lattice angle (alpha, beta and gamma).
π/2 | π/2 | π/2 |
The positions of the atoms inside the unit cell are defined by the set of atom positions ( xi, yi, zi) measured indigenous a recommendation lattice point.
The symmetry nature of the crystal are defined by the principle of space groups. All feasible symmetric species of particles in three-dimensional room are explained by the 230 space groups (219 distinct types, or 230 if chiral copies are considered distinct.
an are Group surname | Fm_ 3m | ![]() |
an are Group Number | 225 | |
Crystal structure | Face centered Cubic |
Aluminium Atomic and Orbital Properties
Aluminium atoms have 13 electrons and the digital shell framework is <2, 8, 3> through Atomic hatchet Symbol (Quantum Numbers) 2P1/2.
atomic Number | 13 |
Number of electron (with no charge) | 13 |
Number that Protons | 13 |
Mass Number | 27 |
Number of Neutrons | 14 |
Shell structure (Electrons per power level) | <2, 8, 3> |
Electron configuration | |
Valence Electrons | 3s2 3p1 |
Oxidation State | -2;-1 1;2;3 |
Atomic term Symbol (Quantum Numbers) | 2P1/2 |
Shell structure of Aluminium - electron per energy level

Ground State electronic Configuration that Aluminium - neutral Aluminium atom
The soil state electronic configuration the Neutral Aluminium atom isSee more: Are Two Equilateral Triangles Always Similar ? Are Two Isosceles Triangles Always Similar
Unabbreviated digital configuration that neutral Aluminium
Complete ground state electronic configuration because that the Aluminium atom, Unabbreviated electronic configuration
1s2 2s2 2p6 3s2 3p1
Atomic structure of Aluminium
Aluminium atomic radius is 118 pm, while it"s covalent radius is 118 pm.
atom Radius | 118 pm (1.18 Å) |
Atomic Volume | 9.99316222222 cm3 |
Covalent Radius | 118 pm (1.18 Å) |
van der Waals Radius | N/A |
neutron Cross ar | 0.233 σa/barns |
Atomic Spectrum of Aluminium

Aluminium chemical Properties: Aluminium Ionization Energies and electron affinity
The electron affinity the Aluminium is 42.5 kJ/mol
Valence | 3 |
Electronegativity | 1.61 |
ElectronAffinity | 42.5 kJ/mol |
Ionization power of Aluminium
Refer to table listed below for Ionization energies that Aluminium
1 | 577.5 |
2 | 1816.7 |
3 | 2744.8 |
4 | 11577 |
5 | 14842 |
6 | 18379 |
7 | 23326 |
8 | 27465 |
9 | 31853 |
10 | 38473 |
Aluminium physical Properties
Refer to listed below table because that Aluminium physics Properties
thickness | 2.7 g/cm3 |
Molar Volume | 9.99316222222 cm3 |
Elastic Properties
Young Modulus | 70 GPa |
Shear Modulus | 26 GPa |
bulk Modulus | 76 GPa |
Poisson proportion | 0.35 |
Hardness that Aluminium - exam to measure of Hardness of Element
Mohs Hardness | 2.75 MPa |
Vickers Hardness | 167 MPa |
Brinell Hardness | 245 MPa |
Aluminium electrical Properties
Aluminium is Conductor the electricity. Refer to table below for the electric properties of Aluminium
electric Conductivity | 3.8×107 S/m |
Resistivity | 2.6×10-8 m Ω |
Superconducting point | 1.175 |
Aluminium Heat and also Conduction Properties
heat Conductivity | 235 W/(m K) |
Thermal development | 0.0000231 K-1 |
Aluminium Magnetic Properties
Magnetic type | Paramagnetic |
Curie suggest | N/A |
massive Magnetic Susceptibility | 7.8×10-9 |
Molar Magnetic Susceptibility | 2.1×10-10 |
Volume Magnetic Susceptibility | 2.11e-05 |
Optical nature of Aluminium
Refractive index | N/A |
Acoustic properties of Aluminium
speed of Sound | 5.1×103 m/s |
Aluminium heat Properties - Enthalpies and also thermodynamics
Refer to table below for thermal properties the Aluminium
Melting allude | 933.47 K (660.32 °C) |
Boiling point | 2792 K (2519 °C) |
vital Temperature | N/A |
Superconducting allude | 1.175 |
Enthalpies that Aluminium
warmth of blend | 10.7 kJ/mol |
warmth of Vaporization | 293 kJ/mol |
heat of combustion | N/A |
Aluminium isotopes - atom Properties that Aluminium
Isotopes the rhodium. Naturally emerging Aluminium has 1 steady isotope - 27Al.
21Al | ||||
22Al | ||||
23Al | ||||
24Al | ||||
25Al | ||||
26Al | ||||
27Al | 100% | secure | N/A | |
28Al | ||||
29Al | ||||
30Al | ||||
31Al | ||||
32Al | ||||
33Al | ||||
34Al | ||||
35Al | ||||
36Al | ||||
37Al | ||||
38Al | ||||
39Al | ||||
40Al | ||||
41Al | ||||
42Al |
Regulatory and also Health - Health and Safety Parameters and also Guidelines
CAS Number | CAS7429-90-5 |
RTECS Number | RTECSBD0330000 |
period Hazard course | 4.3 |
dot Numbers | 1396 |
EU Number | N/A |
NFPA Fire Rating | 1 |
NFPA risks | N/A |
NFPA wellness Rating | 0 |
NFPA Reactivity Rating | 1 |
Autoignition allude | 400 °C |
Flashpoint | 645 °C |
Database Search
perform of distinctive identifiers to find the facet in various chemical registry databases
CAS Number - chemical Abstracts company (CAS) | CAS7429-90-5 |
CID Number | CID5359268 |
Gmelin Number | N/A |
NSC Number | N/A |
RTECS Number | RTECSBD0330000 |