Magnésíọ̀mù

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Magnésíọ̀mù, 12Mg
Magnesium crystals.jpg
Magnésíọ̀mù
Pípè /mæɡˈnziəm/ (mag-NEE-zee-əm)
Ìhànsójúshiny grey solid
Ìwúwo átọ̀mù Ar, std(Mg)[24.30424.307] conventional: 24.305
Magnésíọ̀mù 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
Be

Mg

Ca
sódíọ̀mùmagnésíọ̀mùalumíníọ̀mù
Nọ́mbà átọ̀mù (Z)12
Ẹgbẹ́group 2 (alkaline earth metals)
Àyèàyè 3
Àdìpọ̀Àdìpọ̀-s
Ẹ̀ka ẹ́límẹ́ntì  Alkaline earth metal
Ìtò ẹ̀lẹ́ktrọ́nù[Ne] 3s2
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 2
Àwọn ohun ìní ara
Ìfarahàn at STPsolid
Ìgbà ìyọ́923 K ​(650 °C, ​1202 °F)
Ígbà ìhó1363 K ​(1091 °C, ​1994 °F)
Kíki (near r.t.)1.738 g/cm3
when liquid (at m.p.)1.584 g/cm3
Heat of fusion8.48 kJ/mol
Heat of 128 kJ/mol
Molar heat capacity24.869 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 701 773 861 971 1132 1361
Atomic properties
Oxidation states+1,[1] +2 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
ElectronegativityPauling scale: 1.31
energies
Atomic radiusempirical: 160 pm
Covalent radius141±7 pm
Van der Waals radius173 pm
Color lines in a spectral range
Spectral lines of magnésíọ̀mù
Other properties
Natural occurrenceprimordial
Crystal structurehexagonal close-packed (hcp)
Hexagonal close packed crystal structure for magnésíọ̀mù
Speed of sound thin rod(annealed)
4940 m/s (at r.t.)
Thermal expansion24.8 µm/(m·K) (at 25 °C)
Thermal conductivity156 W/(m·K)
Electrical resistivity43.9 n Ω·m (at 20 °C)
Magnetic orderingparamagnetic
Young's modulus45 GPa
Shear modulus17 GPa
Bulk modulus45 GPa
Poisson ratio0.290
Mohs hardness2.5
Brinell hardness260 MPa
CAS Number7439-95-4
History
DiscoveryJoseph Black (1755)
First isolationHumphry Davy (1808)
Main isotopes of magnésíọ̀mù
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
24Mg 78.99% 24Mg is stable with 12 neutrons
25Mg 10.00% 25Mg is stable with 13 neutrons
26Mg 11.01% 26Mg is stable with 14 neutrons
Àdàkọ:Category-inline
| references

Magnésíọ̀mù (pípè /mæɡˈniːziəm/, mag-NEE-zee-əm) je apilese kemika pelu ami-idamo Mg, nomba atomu 12 ati nomba isodoksijini wiwopo +2. O je onide alkalini inu ile ati apilese pipo repete julo kejo ninu igbele Aye, ninbi to ti je bi 2% fun iposi,[3] ati ikesan ni gbogbo Agbalaaye ti a mo.[4][5]


Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

  1. Bernath, P. F.; Black, J. H. & Brault, J. W. (1985). "The spectrum of magnesium hydride". Astrophysical Journal 298: 375. Bibcode 1985ApJ...298..375B. doi:10.1086/163620. http://bernath.uwaterloo.ca/media/24.pdf. 
  2. Bernath, P. F., Black, J. H., & Brault, J. W. (1985). "The spectrum of magnesium hydride". Astrophysical Journal 298: 375. Bibcode 1985ApJ...298..375B. doi:10.1086/163620. http://bernath.uwaterloo.ca/media/24.pdf. 
  3. Àṣìṣe ìtọ́kasí: Invalid <ref> tag; no text was provided for refs named Abundance
  4. Housecroft, Catherine E; Sharpe, Alan G. (2007). "Group 2 metals". Inorganic Chemistry (3 ed.). Harlow, England: Pearson. ISBN 9780131755536. 
  5. Ash, Russell (2005). The Top 10 of Everything 2006: The Ultimate Book of Lists. Dk Pub. ISBN 0756613213. http://plymouthlibrary.org/faqelements.htm. .