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What is a good conductor of electicity a. Arsenic b.Bromine c.Phosphorous d.Selenium e.Sulfur?
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Which of these elements is not a noble gas aneon bbromine chelium dkrypton?
b.Bromine
What are most of the elements on the peroiodic table?
Actinium - AcAluminum - AlAmericium - AmAntimony - SbArgon - ArArsenic - AsAstatine - AtBarium - BaBerkelium - BkBeryllium - BeBismuth - BiBoron - BBromine - BrCadmium - CdCaesium - CsCalcium - CaCalifornium - CfCarbon - CCerium - CeChlorine - ClChromium - CrCobalt - CoCopper - CuCurium - CmDysprosium - DyEinsteinium - EsErbium - ErEuropium - EuFermium - FmFluorine - FFrancium - FrGadolinium - GdGallium - GaGermanium - GeGold - AuHafnium - HfHelium - HeHolmium - HoHydrogen - HIndium - InIodine - IIridium - IrIron - FeKrypton - KrLanthanum - LaLawrencium - LrLead - PbLithium - LiLutetium - LuMagnesium - MgManganese - MnMeitnerium - MtMendelevium - MdMercury - HgMolybdenum - MoNeodymium - NdNeon - NeNeptunium - NpNickel - NiNiobium - NbNitrogen - NNobelium - NoOsmium - OsOxygen - OPalladium - PdPhosphorus - PPlatinum - PtPlutonium - PuPolonium - PoPotassium - KPraseodymium - PrPromethium - PmProtactinium - PaRadium - RaRadon - RnRhenium - ReRhodium - RhRubidium - RbRuthenium - RuSamarium - SmScandium - ScSelenium - SeSilicon - SiSilver - AgSodium - NaStrontium - SrSulphur - STantalum - TaTechnetium - TcTellurium - TeTerbium - TbThallium - TlThorium - ThThulium - TmTin - SnTitanium - TiTungsten - WUnnilhexium - UnhUnniloctium - UnoUnnilpentium - UnpUnnilquadium - UnqUnnilseptium - UnsUranium - UVanadium - VXenon - XeYtterbium - YbYttrium - YZinc - ZnZirconium - Zr
What are the elements of the periodic table?
The periodic table contains all the known chemical elements, arranged in order of increasing atomic number. Each element is represented by a unique chemical symbol and is organized into rows (periods) and columns (groups) based on similar properties. There are currently 118 confirmed elements in the periodic table.
How would you describe the modern periodic table?
Actinium - AcAluminum - AlAmericium - AmAntimony - SbArgon - ArArsenic - AsAstatine - AtBarium - BaBerkelium - BkBeryllium - BeBismuth - BiBoron - BBromine - BrCadmium - CdCaesium - CsCalcium - CaCalifornium - CfCarbon - CCerium - CeChlorine - ClChromium - CrCobalt - CoCopper - CuCurium - CmDysprosium - DyEinsteinium - EsErbium - ErEuropium - EuFermium - FmFluorine - FFrancium - FrGadolinium - GdGallium - GaGermanium - GeGold - AuHafnium - HfHelium - HeHolmium - HoHydrogen - HIndium - InIodine - IIridium - IrIron - FeKrypton - KrLanthanum - LaLawrencium - LrLead - PbLithium - LiLutetium - LuMagnesium - MgManganese - MnMeitnerium - MtMendelevium - MdMercury - HgMolybdenum - MoNeodymium - NdNeon - NeNeptunium - NpNickel - NiNiobium - NbNitrogen - NNobelium - NoOsmium - OsOxygen - OPalladium - PdPhosphorus - PPlatinum - PtPlutonium - PuPolonium - PoPotassium - KPraseodymium - PrPromethium - PmProtactinium - PaRadium - RaRadon - RnRhenium - ReRhodium - RhRubidium - RbRuthenium - RuSamarium - SmScandium - ScSelenium - SeSilicon - SiSilver - AgSodium - NaStrontium - SrSulphur - STantalum - TaTechnetium - TcTellurium - TeTerbium - TbThallium - TlThorium - ThThulium - TmTin - SnTitanium - TiTungsten - WUnnilhexium - UnhUnniloctium - UnoUnnilpentium - UnpUnnilquadium - UnqUnnilseptium - UnsUranium - UVanadium - VXenon - XeYtterbium - YbYttrium - YZinc - ZnZirconium - Zr
How can you determine the mass of an unknown element from a mass of a known element?
You can't -- at least you can't be sure. What determines the identity of an element is the number of protons in the nucleus. The mass number however is the sum of the number of protons and the number of neutrons. And because the number of neutrons in a single element can vary by as much as 10 or more from atom to atom, more than one element can have the exact same mass number. As a simple example of this, take a mass number of three. That could be hydrogen with two neutrons, helium with one neutron, or lithium with no neutrons. All three are possible.
