Niobium

Lát'ọwọ́ Wikipedia, ìwé ìmọ̀ ọ̀fẹ́
Jump to navigation Jump to search
Niobium, 41Nb
Àdàkọ:Infobox element/symbol-to-top-image/alt
Niobium
Pípè /nˈbiəm/ (ny-OH-bee-əm)
Ìhànsójúgray metallic, yellowish when oxidized
Ìwúwo átọ̀mù Ar, std(Nb)92.90637(1)Àdàkọ:CIAAW2013
nọ́mbà ìsújọNb:
Niobium 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
V

Nb

Ta
zirconiumniobiummolybdenum
Nọ́mbà átọ̀mù (Z)41
Ẹgbẹ́group 5
Àyèàyè 5
Àdìpọ̀Àdìpọ̀-d
Ẹ̀ka ẹ́límẹ́ntìÀdàkọ:Infobox element/category format
Ìtò ẹ̀lẹ́ktrọ́nùÀdàkọ:Infobox element/symbol-to-electron-configuration
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 18, 12, 1
Àwọn ohun ìní ara
Ìfarahàn at STPsolid
Ìgbà ìyọ́2750 K ​(2477 °C, ​4491 °F)
Ígbà ìhó5017 K ​(4744 °C, ​8571 °F)
Kíki (near r.t.)8.57 g/cm3
Heat of fusion30 kJ/mol
Heat of 689.9 kJ/mol
Molar heat capacity24.60 J/(mol·K)
 pressure
Atomic properties
Oxidation statesÀdàkọ:Infobox element/symbol-to-oxidation-state
ElectronegativityPauling scale: 1.6
Atomic radiusempirical: 146 pm
Covalent radius164±6 pm
Àdàkọ:Infobox element/spectral lines
Other properties
Natural occurrenceÀdàkọ:Infobox element/symbol-to-occurrence
Crystal structureÀdàkọ:Infobox element/crystal structure
Speed of sound thin rod3480 m/s (at 20 °C)
Thermal expansion7.3 µm/(m·K)
Thermal conductivity53.7 W/(m·K)
Electrical resistivity152 n Ω·m (at 0 °C)
Magnetic orderingparamagnetic
Young's modulus105 GPa
Shear modulus38 GPa
Bulk modulus170 GPa
Poisson ratio0.40
Mohs hardness6.0
Vickers hardness1320 MPa
Brinell hardness736 MPa
CAS Number7440-03-1
Main isotopes of niobium
Àdàkọ:Infobox element/isotopes table
Àdàkọ:Category-inline
| references

Niobium (pípè /naɪˈoʊbiəm/ nye-OH-bee-əm) (Greek mythology: Niobe, omo birin Tantalus), tabi columbium (/kəˈlʌmbiəm/ kə-LUM-bee-əm), je ipilese elegbogi pelu ami-idamo Nb ati nomba atomu 41.


Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]