Aluminium
facet 13 of regular table is Aluminium v atomic number 13, atomic weight 26.981538. Aluminium, prize Al, has actually a Face focused Cubic structure and Silver color. Aluminium is a post-transition steel element. Trivial name of Aluminium is triels, icosagens. Understand everything around Aluminium Facts, physical Properties, chemical Properties, electronic configuration, Atomic and also Crystal Structure.
Aluminium (or aluminum; see various endings) is a chemical facet in the boron team with prize Al and atomic number 13. It is a silvery-white, soft, nonmagnetic, ductile metal. Aluminium is the 3rd most abundant element (after oxygen and silicon), and also the most abundant metal, in the Earth"s crust.
You are watching: How many electrons does aluminum have in its outer shell
Aluminium Facts
Read an essential information and facts around element Aluminium
| name | Aluminium |
| atom Number | 13 |
| atom Symbol | Al |
| Atomic load | 26.981538 |
| phase | Solid |
| shade | Silver |
| Classification | post-transition metal |
| team in routine Table | 13 |
| Group Name | boron family members |
| period in periodic Table | 3 |
| Block in regular Table | p-block |
| Electronic Configuration | |
| Melting suggest | 660.32 °C |
| Boiling point | 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 situate Aluminium on periodic Table
Periodic table is arranged by atom number, number of protons in the nucleus which is same as variety of electrons. The atomic number increases from left come right. Routine table starts at top left ( atom number 1) and ends at bottom ideal (atomic number 118). Because of this you can directly look because that atomic number 13 to uncover Aluminium on routine table.
Another means to read routine table and also locate an element is by using team number (column) and duration number (row). To find Aluminium on routine table look because that cross section of team 13 and duration 3 in the contemporary periodic table.
discover Interactive routine Table to Understand and Learn Cool trends
Table that Contents
History
Abundance
Physical Properties
Thermal Properties
Crystal Structure
Atomic & orbit Properties
Chemical Properties
Isotopes
Health and also Safety Parameters and Guidelines
Databases
Compare Aluminium with various other elements
Aluminium History
The facet Aluminium was discovered by no one in year 1825 in Denmark . Aluminium acquired its surname from alumina, a compound (originally aluminum)
Aluminium Presence: variety in Nature and Around Us
The table below shows the diversity of Aluminium in Universe, Sun, Meteorites, Earth"s Crust, Oceans and Human Body.
| diversity in world | 5e-05 |
| diversity in sunlight | 6e-05 |
| diversity in Meteorites | 0.0091 |
| Abundance in Earth"s tardy | 0.081 |
| abundance in oceans | 5×10-7% |
| abundance in human beings | 9e-07 |
Crystal framework of Aluminium
The hard state framework of Aluminium is Face centered Cubic.
The decision structure deserve to be described in regards to its unit Cell. The unit cells repeats chin in three dimensional room to kind the structure.
Unit cabinet Parameters
The unit cabinet is represented in terms of its lattice parameters, which room the lengths the the cabinet 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 location of the atoms within the unit cell are explained by the collection of atom positions ( xi, yi, zi) measured from a recommendation lattice point.
The symmetry nature of the decision are explained by the ide of an are groups. All feasible symmetric species of corpuscle in three-dimensional an are are described by the 230 an are groups (219 distinct types, or 230 if chiral copies are considered distinct.
| space Group name | Fm_ 3m |  |
| space Group Number | 225 | |
| Crystal framework | Face focused Cubic |
Aluminium Atomic and also Orbital Properties
Aluminium atoms have actually 13 electrons and the digital shell structure is <2, 8, 3> v Atomic hatchet Symbol (Quantum Numbers) 2P1/2.
| atomic Number | 13 |
| Number of electrons (with no charge) | 13 |
| Number the Protons | 13 |
| Mass Number | 27 |
| Number that Neutrons | 14 |
| Shell framework (Electrons per power level) | <2, 8, 3> |
| Electron configuration | |
| Valence Electrons | 3s2 3p1 |
| Oxidation State | -2;-1 1;2;3 |
| Atomic hatchet Symbol (Quantum Numbers) | 2P1/2 |
Shell framework of Aluminium - electrons per energy level
Ground State electronic Configuration of Aluminium - neutral Aluminium atom
The soil state electronic configuration that Neutral Aluminium atom isSee more: Distance From Raleigh Nc To Greensboro Nc, It'S 77 Miles From Raleigh To Greensboro
Unabbreviated digital configuration of neutral Aluminium
Complete soil state digital configuration for the Aluminium atom, Unabbreviated electronic configuration
1s2 2s2 2p6 3s2 3p1
Atomic structure of Aluminium
Aluminium atom radius is 118 pm, if it"s covalent radius is 118 pm.
| atomic Radius | 118 afternoon (1.18 Å) |
| Atomic Volume | 9.99316222222 cm3 |
| Covalent Radius | 118 afternoon (1.18 Å) |
| valve der Waals Radius | N/A |
| ghost Cross ar | 0.233 σa/barns |
Atomic Spectrum the 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 energy 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 physics Properties
Refer to below table for Aluminium physics Properties
| density | 2.7 g/cm3 |
| Molar Volume | 9.99316222222 cm3 |
Elastic Properties
| Young Modulus | 70 GPa |
| Shear Modulus | 26 GPa |
| mass Modulus | 76 GPa |
| Poisson proportion | 0.35 |
Hardness of Aluminium - test to measure of Hardness that Element
| Mohs Hardness | 2.75 MPa |
| Vickers Hardness | 167 MPa |
| Brinell Hardness | 245 MPa |
Aluminium electrical Properties
Aluminium is Conductor of electricity. Refer to table listed 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 Conduction Properties
| thermal Conductivity | 235 W/(m K) |
| Thermal expansion | 0.0000231 K-1 |
Aluminium Magnetic Properties
| Magnetic type | Paramagnetic |
| Curie allude | N/A |
| mass Magnetic Susceptibility | 7.8×10-9 |
| Molar Magnetic Susceptibility | 2.1×10-10 |
| Volume Magnetic Susceptibility | 2.11e-05 |
Optical properties of Aluminium
| Refractive index | N/A |
Acoustic properties of Aluminium
| rate of Sound | 5.1×103 m/s |
Aluminium thermal Properties - Enthalpies and also thermodynamics
Refer come table listed below for thermal properties of Aluminium
| Melting allude | 933.47 K (660.32 °C) |
| Boiling suggest | 2792 K (2519 °C) |
| critical Temperature | N/A |
| Superconducting allude | 1.175 |
Enthalpies that Aluminium
| warmth of combination | 10.7 kJ/mol |
| warm of Vaporization | 293 kJ/mol |
| heat of burning | N/A |
Aluminium isotope - nuclear Properties of Aluminium
Isotopes that rhodium. Naturally occurring Aluminium has actually 1 secure isotope - 27Al.
| 21Al | ||||
| 22Al | ||||
| 23Al | ||||
| 24Al | ||||
| 25Al | ||||
| 26Al | ||||
| 27Al | 100% | steady | N/A | |
| 28Al | ||||
| 29Al | ||||
| 30Al | ||||
| 31Al | ||||
| 32Al | ||||
| 33Al | ||||
| 34Al | ||||
| 35Al | ||||
| 36Al | ||||
| 37Al | ||||
| 38Al | ||||
| 39Al | ||||
| 40Al | ||||
| 41Al | ||||
| 42Al |
Regulatory and also Health - Health and also Safety Parameters and 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 dangers | N/A |
| NFPA health Rating | 0 |
| NFPA Reactivity Rating | 1 |
| Autoignition allude | 400 °C |
| Flashpoint | 645 °C |
Database Search
list of distinct identifiers to find the element in various chemical it is registered databases
| CAS Number - chemistry Abstracts service (CAS) | CAS7429-90-5 |
| CID Number | CID5359268 |
| Gmelin Number | N/A |
| NSC Number | N/A |
| RTECS Number | RTECSBD0330000 |