Alumíníọ̀mù

Alumíníọ̀mù, ₁₃Al

Alumíníọ̀mù
Pípè	aluminium: /ˌæljʊˈmɪniəm/ (AL-yuu-MIN-ee-əm) aluminum: /əˈljuːmɪnəm/ (ə-LEW-min-əm)
Ìhànsójú	silvery gray metallic
Ìwúwo átọ̀mù Ar, std(Al)	26.9815384(3)
Alumíníọ̀mù ní orí tábìlì àyè
Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson B ↑ Al ↓ Ga magnésíọ̀mù ← alumíníọ̀mù → sílíkọ́nù
Nọ́mbà átọ̀mù (Z)	13
Ẹgbẹ́	group 13 (boron group)
Àyè	àyè 3
Àdìpọ̀	Àdìpọ̀-p
Ẹ̀ka ẹ́límẹ́ntì	Post-transition metal
Ìtò ẹ̀lẹ́ktrọ́nù	[Ne] 3s2 3p1
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan	2, 8, 3
Àwọn ohun ìní ara
Ìfarahàn at STP	solid
Ìgbà ìyọ́	933.47 K ​(660.32 °C, ​1220.58 °F)
Ígbà ìhó	2792 K ​(2519 °C, ​4566 °F)
Kíki (near r.t.)	2.70 g/cm3
when liquid (at m.p.)	2.375 g/cm3
Heat of fusion	10.71 kJ/mol
Heat of	294.0 kJ/mol
Molar heat capacity	24.200 J/(mol·K)
pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 1482 1632 1817 2054 2364 2790
Atomic properties
Oxidation states	−2, −1, 1, 2, 3 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
Electronegativity	Pauling scale: 1.61
energies	(more)
Atomic radius	empirical: 143 pm
Covalent radius	121±4 pm
Van der Waals radius	184 pm
Color lines in a spectral range Spectral lines of alumíníọ̀mù
Other properties
Natural occurrence	primordial
Crystal structure	​(fcc)
Speed of sound thin rod	(rolled) 5,000 m/s (at r.t.)
Thermal expansion	23.1 µm/(m·K) (at 25 °C)
Thermal conductivity	237 W/(m·K)
Electrical resistivity	28.2 n Ω·m (at 20 °C)
Magnetic ordering	paramagnetic
Young's modulus	70 GPa
Shear modulus	26 GPa
Bulk modulus	76 GPa
Poisson ratio	0.35
Mohs hardness	2.75
Vickers hardness	167 MPa
Brinell hardness	245 MPa
CAS Number	7429-90-5
History
Discovery	Hans Christian Ørsted (1825)
First isolation	Friedrich Wöhler (1827)
Named by	Humphry Davy (1808)
Main isotopes of alumíníọ̀mù
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct 26Al trace 7.17×105 yr β 1.17 26Mg ε - 26Mg γ 1.8086 - 27Al 100% 27Al is stable with 14 neutrons

Alumíníọ̀mù (UK: /ˌæljʊˈmɪniəm/  ( listen) a-lew-MIN-ee-əm) tabi aluminomu (US: /əˈluːmɪnəm/  ( listen); e wo spelling labe) je apilese kemika kan ninu adipo boron to je funfun bi fadaka to se mo. O ni ami-idamo Al ati nomba atomu 13. Ko le yo ninu omi fun ra ara re. Aluminiomu je onide to po repetejulo ninu igbele Aye, ati iketa to po repetejulo nibe leyin oksijini ati silikoni. Ohun ni o je bi 8% bi iwuwo oju ile Aye. Aluminiomu ndarapomora mo awon kemika yioku kiakia gidigidi nitorie ko le da wa fun ra re gege bi onide. Bibeeko, a le ri ni didapo mo orisirisi awon alumoni bi 270. Orisun aluminiomu ni adalu irin bauxite.