Element Niobium - Nb

Comprehensive data ~ above the chemical aspect Niobium is detailed on this page; including scores that properties, element names in countless languages, most recognized nuclides of Niobium. Typical chemical compounds room also detailed for countless elements. In addition technical terms are linked to your definitions and also the menu has links to related write-ups that space a good aid in one"s studies.

You are watching: How many valence electrons does niobium have

Niobium Menu

Niobium page OneOverview the NiobiumNiobium"s name in various other LanguagesAtomic framework of NiobiumChemical nature of NiobiumPhysical nature of NiobiumRegulatory / HealthWho/When/Where/HowNiobium web page TwoNuclides / IsotopesPotential parental Nuclides

Overview that Niobium

Atomic Number: 41Group: 5Period: 5Series: transition Metals

Niobium"s surname in various other Languages

Latin: NiobiumCzech: NiobCroatian: NiobijFrench: NiobiumGerman: Niob - rItalian: NiobioNorwegian: NiobPortuguese: NióbioRussian: НиобийSpanish: NiobioSwedish: NiobAtomic structure of NiobiumAtomic Radius: 2.08ÅAtomic Volume: 10.87cm3/molCovalent Radius: 1.34ÅCross Section (Thermal neutron Capture) σa/barns: 1.15Crystal Structure: Cubic human body centered
Electron Configuration:1s2 2s2p6 3s2p6d10 4s2p6d4 5s1Electrons per energy Level: 2,8,18,12,1Shell Model
Ionic Radius:
0.69ÅFilling Orbital: 4d4Number of electrons (with no charge): 41Number of neutron (most common/stable nuclide): 52Number of Protons: 41Oxidation States: 5,3Valence Electrons: 4d4 5s1Electron period Model

Chemical properties of Niobium

Electrochemical Equivalent:
0.69327g/amp-hrElectron job-related Function: 4.3eVElectronegativity: 1.6 (Pauling); 1.23 (Allrod Rochow)Heat that Fusion: 26.4kJ/molIncompatibilities:Ionization PotentialFirst: 6.88Second: 14.32Third: 25.04Valence Electron Potential (-eV): 104

Physical nature of Niobium

Atomic mass Average: 92.90638Boiling Point: 5017K 4744°C 8571°FCoefficient of lineal thermal expansion/K-1: 7.07E-6ConductivityElectrical: 0.0693 106/cm ΩThermal: 0.537 W/cmKDensity: 8.57g/cc
300KDescription: shiny white soft shift metal. Niobium resists corrosion due to an oxide film on that surface.Elastic Modulus:Bulk: 170.3/GPaRigidity: 37.5/GPaYoungs: 104.9/GPaEnthalpy the Atomization: 745 kJ/mole
25°CEnthalpy of Fusion: 27.2 kJ/moleEnthalpy that Vaporization: 696.6 kJ/moleFlammablity Class:Freezing Point: see melting pointHardness ScaleBrinell: 736 MN m-2Mohs: 6Vickers: 1320 MN m-2Heat that Vaporization: 682kJ/molMelting Point: 2741K 2468°C 4474°FMolar Volume: 10.84 cm3/molePhysical State (at 20°C & 1atm): SolidSpecific Heat: 0.26J/gKVapor Pressure = 0.0755Pa

Regulatory / Health

CAS Number7440-03-1OSHA permit Exposure limit (PEL)No limits collection by OSHAOSHA PEL Vacated 1989No limits collection by OSHANIOSH recommended Exposure border (REL)No limits collection by NIOSH Levels In Humans:Note: this data represents naturally occuring level of aspects in the typical human, that DOES NOT represent recommended daily allowances.Blood/mg dm-3: 0.005Bone/p.p.m: Liver/p.p.m: 0.14Muscle/p.p.m: 0.14Daily diet Intake: 0.02-06 mgTotal fixed In Avg. 70kg human: 1.5 mgDiscovery Year: 1801Name Origin:From Niobe; daughter that the mythical Greek king Tantalus.Abundance of Niobium:Earth"s Crust/p.p.m.: 20Seawater/p.p.m.: 0.0000009Atmosphere/p.p.m.: N/ASun (Relative to H=1E12): 79Sources of Niobium:Found in columbite, samarskite and betafite ores. Additionally obtained as a by-product of tin-extraction. Yearly world large production is about 15,000 tons. Main mining areas are Australia, Zaire, Brazil, Russia, Norway, Canada and also Madagascar.Uses of Niobium: that is supplied in stainless stole alloys because that nuclear reactors, jets, missiles, cut tools, pipelines, super magnets and also welding rods.Additional Notes:

Niobium Menu

Niobium page OneOverview of NiobiumNiobium"s name in other LanguagesAtomic structure of NiobiumChemical properties of NiobiumPhysical nature of NiobiumRegulatory / HealthWho/When/Where/HowNiobium page TwoNuclides / IsotopesPotential parent Nuclides


A list of reference sources offered to compile the data listed on our routine table of aspects can be uncovered on the key periodic table page.

Related Resources

Anatomy of the AtomAnswers countless questions regarding the framework of atoms.Molarity, Molality and NormalityIntroduces stoichiometry and also explains the differences in between molarity, molality and normality.Molar massive Calculations and Javascript CalculatorMolar fixed calculations space explained and there is a JavaScript calculator to help calculations.Chemical DatabaseThis database focuses on the most usual chemical compounds provided in the home and also industry.

Citing this page

If you need to point out this page, you deserve to copy this text:

Linking to this page

If girlfriend would favor to attach to this page from your website, blog, etc., copy and also paste this link code (in red) and modify it to suit her needs:

echo regular Table of Elements: Niobium - Nb (charline-picon.com)- substantial information for the facet Niobium - Nb is listed by this page consisting of scores the properties, element names in many languages, most well-known nuclides and technical state are attached to your definitions..

NOTICE: if linking to short articles is encouraged, OUR short articles MAY not BE replicated TO OR REPUBLISHED ON another WEBSITE UNDER any CIRCUMSTANCES.

PLEASE, if you choose an write-up we released simply connect to the on ours website execute not republish it.

26 year on the web


Please re-publishing and/or connect To This Page

Please re-publishing and/or link to this page if you discover it beneficial or informative.


We are a good educational resource! use online or publish pages out as classroom handouts. More info.

See more: How Do I Change The Day And Date On My Casio Watch : Steps For Each Type

Career Listings

Biology careers in CAChemical design careers in CAChemistry careers in CAEcologists careers in CAEducation careers in CAEnvironmental careers in CAEnvironmental chemistry careers in CAEnvironmental Compliance careers in CAEnvironmental Consultant careers in CAEnvironmental engineering careers in CAEnvironmental legislation careers in CAForestry careers in CAGIS careers in CAGovernment careers in CAHealth & security careers in CARegulatory Compliance careers in CARisk administration careers in CAScience careers in CA
Biology careers in UKChemical design careers in UKChemistry careers in UKEcologists careers in UKEducation careers in UKEnvironmental careers in UKEnvironmental Consultant careers in UKEnvironmental engineering careers in UKEnvironmental legislation careers in UKGIS careers in UKHazardous Materials/Waste careers in UKHealth & safety careers in UKRegulatory Compliance careers in UKRisk monitoring careers in UKScience careers in UK
Biomedical design careers in USChemical engineering careers in USChemistry careers in USConservation careers in USEcologists careers in USEmergency management careers in USEnvironmental Careers careers in USEnvironmental Analyst careers in USEnvironmental chemists careers in USEnvironmental Compliance careers in USEnvironmental Consultant careers in USEnvironmental engineering careers in USEnvironmental legislation careers in USEnvironmental plan careers in USHealth & safety careers in USNatural resources careers in USNature conservation careers in USRegulatory Compliance careers in USRisk management careers in USSchool Principals careers in US
Job Listing Search:All CategoriesAccountingAdmin & ClericalBankingBiotechBroadcast/JournalismBusiness DevelopmentConstructionConsultantCustomer ServiceDesignDistribution/ShippingEducationEngineeringExecutiveFacilitiesFinanceGeneral BusinessGovernmentHealth CareHuman ResourcesInformation TechnologyInsuranceInventoryLegalManagementManufacturingMarketingNursePharmaceuticalProfessional ServicesPurchasing/ProcurementQA/Quality ControlResearchSalesScienceSupply ChainTelecommunicationsTrainingTransportationWarehouseCanadaIndiaU.K.U.S.


Periodic TableNitrogen Dioxide, Ozone & Lead partner to increase Pollution threats to urban Children70s house Eco Renovation: From eco-friendly to "Green"

Go Green

RedecoratingPainting WallsReplacing CarpetsUpdating irradiate FixturesBathroom RenovationInstalling a low circulation showerhead convert to Renewable EnergyBuying local clean strength electricityKitchen remodeling - coming in 2010 or 2011Weatherization - Coming late 2009Energy AuditRevised ROI Calculations

Environmental Issues

ADA referral for Fluoride in child DietsAsbestosAsbestos, a Brief history its uses & wellness RisksAsbestos, its chemistry & physics PropertiesAsbestos: A Manufacturing health and wellness Hazard dating to ancient TimesDry-Cleaning ChemicalsLooking Good, feeling Bad; or, What"s the trouble with Perc?Are there Realistic Dry-Cleaning choices to Perc?DuPont"s Teflon Cover-upNeurodevelopmental obstacle in Children: Autism & ADHDPCBs in the food girlfriend loveSeafood SafetyMercury in Fish vs. The benefits of Fish OilsNorwegian Farmed Salmon Raises an international ConcernThe dangers of Lawn chemistry at Home
Biofueling come the futureCO2 air pollution and an international WarmingCompact Fluorescent lamp (CFLs): room They precious the Switch?Global patterns in Energy modern technology InnovationHydrogen Fuel Cells: energy of the Future
ChernobylChernobyl RevisitedAgricultural and Environmental ImpactA transforming PointFrom Bhopal come Hazardous garbage ComplianceLove Canal NY: Grownups Don"t perform Blue GooNew Orleans, Hurricane Katrina & the Oil Industry
Environmental Justice and the NIMBY PrinciplePrairie Dogs: little mammal, big controversyPrairie Dogs: A Threatened varieties or Public wellness Nuisance?Prairie Dog Control: Non-Lethal TechniquesPrairie Dog Control: Lethal TechniquesCan Prairie dogs be managed Utilizing Reconciliation Ecology?Pseudoscience: A risk to our EnvironmentSorting out scientific research from Junk Science
Effects the Air pollution on her healthClean Air plot Contributing to Mercury ProblemNitrogen Dioxide, Ozone & Lead partner to rise Pollution risks to city ChildrenThe Heat encountering Outdoor Wood heating systems & Boilers
PCBs in new York"s Hudson RiverIncreased Mercury level Attributed to industrial ActivitiesEnvironmental pollution of the Concord River
Guide to handling Household ChemicalsHow Well do You understand Recycled Paper?Protecting Wildlife indigenous TrashPlastics - from Recycling Bin to new ProductRoHS: Europe"s Initiative to Control technical WasteTreatment of Biohazardous WasteThe history of Waste


Anatomy the the AtomThe Chemistry of Polychlorinated BiphenylsMolar massive Calculations and also Molecular load CalculatorStoichiometry: Molarity, Molality and also NormalityWhat you Do and also Don"t Know about Fluorine
Chemical DatabaseChemistry DictionaryPeriodic Table the ElementsSort routine table by: select orderAtomic RadiusBoiling PointCovalent RadiusCross SectionCrystal StructureDensityElectrical ConductivityEletronegativityFreezing PointHeat the VaporizationIonic RadiusIonization PotentialMass AverageMelting PointNamePeriodic TableSeriesSymbolThermal ConductivityYear the Discovery

Hazardous Materials

Guide to managing Household ChemicalsThe threats of Lawn chemicals at Home
Emergency response Guidebook (ERG)List products byUN NumberMaterial Name49CFR USDOT Hazardous products TableUSDOT HazMat Placards select Class/Div.1 Explosives2 Compressed Gas3 Flammable Liquid4 Flammable Solids5 Oxidizers6.1 Poisons7 Radioactives8 Corrosives9 MiscellaneousRelated MarkingsPlacarding QuizUSDOT HazMat Placards CD & cultivate modulesExceptions, Exemptions and VariancesFMCSA HazMat Transportion permit System