Vad är kemiskt tecken för väte

TeckenGrundämneNrAtommassa (u)Densitet nära 20 °C (g/cm³)Smältpunkt (°C)Kokpunkt (°C)UpptäcktsårUpptäckare AcAktinium89227,027810,07104731971899DebierneAg (Argentum)Silver47107,868210,49961,92212FörhistorisktOkänd AlAluminium1326,9815392,70660,524671825ØrstedAmAmericium95243,061413,6799426071944SeaborgArArgon1839,9480,00166−189,4−185,91894Ramsay samt RayleighAsArsenik3374,921595,72613613 (sublimerar)1250 (c:a)Albertus MagnusAtAstat85209,98713023371940Corson, MacKenzie samt SegrèAu (Aurum)Guld79196,9665419,321064,42940FörhistorisktOkänd BBor510,8112,46230025501808Davy samt Gay-LussacBaBarium56137,3273,6572516401808DavyBeBeryllium49,0121821,85127829701797VauquelinBhBohrium107262,12291976OganessianBi (Bisemutum)Vismut83208,980379,80271,415601540AgricolaBkBerkelium97247,070313,259861949SeaborgBrBrom3579,9043,14−7,358,81826BalardC (Carbo)Kol612,0113,5135504827FörhistorisktOkänd CaKalcium2040,0781,5483914871808DavyCdKadmium48112,4118,643217651817Stromeyer samt HermannCeCerium58140,1156,7779832571803von Hisinger samt BerzeliusCfCalifornium98251,079615,19001950SeaborgCl (Chlorum)Klor1735,45270,00295−101−34,61774ScheeleCmCurium96247,070313,5113401944SeaborgCnCopernicium1122771996Gesellschaft für SchwerionenforschungCoKobolt2758,93328,89149528701735G.

BrandtCrKrom2451,99617,14185724821797VauquelinCsCesium55132,905431,9028,46901860Kirchhoff samt BunsenCu (Cuprum)Koppar2963,5468,921083,52595FörhistorisktOkänd DbDubnium105262,11381967/70Flerow alternativt GhiorsoDsDarmstadtium1102691994Gesellschaft für SchwerionenforschungDyDysprosium66162,58,56140923351886Lecoq dem BoisbaudranErErbium68167,269,05152225101842MosanderEsEinsteinium99252,08298601952SeaborgEuEuropium63151,9655,2582215971901DemaçayFFluor918,99840320,00158−219,6−188,11886MoissanFe (Ferrum)Järn2655,8477,8715352750FörhistorisktOkänd FlFlerovium1142891999Joint Institute for Nuclear ResearchFmFermium100257,09511952SeaborgFrFrancium87223,0197276771939PereyGaGallium3169,7235,9129,824031875Lecoq dem BoisbaudranGdGadolinium64157,257,89131132331880de MarignacGeGermanium3272,615,32937,428301886WinklerH (Hydrogenium)Väte11,007940,000084−259,1−252,91766CavendishHeHelium24,0026020,00017−272,2−268,91895Ramsay samt CleveHfHafnium72178,4913,31215054001923Coster samt HevesyHg (Hydrargentum)Kvicksilver80200,5913,55−38,9356,6FörhistorisktOkänd HoHolmium67164,930328,78147027201878SoretHsHassium1082651984Gesellschaft für SchwerionenforschungIJod53126,904474,94113,5184,41811CourtoisInIndium49114,827,31156,220801863Reich samt RichterIrIridium77192,2222,56241041301803Tennant m.fl.

KKalium1939,09830,8663,77741807DavyKrKrypton3683,80,00348−156,6−152,31898Ramsay samt TraversLaLantan57138,90556,1692034541839MosanderLiLitium36,9410,53180,513171817ArfwedsonLrLawrencium103260,10531961GhiorsoLuLutetium71174,9679,84165633151907UrbainLvLivermorium1162922000Joint Institute for Nuclear ResearchMcMoskovium1152882004Joint Institute for Nuclear ResearchMdMendelevium101258,09861955SeaborgMgMagnesium1224,3051,74648,811071755BlackMnMangan2554,938057,44124420971774GahnMoMolybden4295,9410,28261755601778ScheeleMtMeitnerium1092661982Gesellschaft für SchwerionenforschungN (Nitrogenium)Kväve714,006740,00117−209,9−195,81772RutherfordNaNatrium1122,9897680,9797,88921807DavyNbNiob4192,906388,58246849271801HatchettNdNeodym60144,247,00101031271895von WelsbachNeNeon1020,17970,00084−248,7−246,11898Ramsay samt TraversNhNihonium1132832003Joint Institute for Nuclear ResearchNiNickel2858,698,91145327321751CronstedtNoNobelium102259,10091958SeaborgNpNeptunium93237,048220,4864039021940McMillan samt AbelsonO (Oxygenium)Syre815,99940,00133−218,4−182,91774Priestley samt ScheeleOgOganesson1182932006Joint Institute for Nuclear ResearchOsOsmium76190,222,61304550271803TennantP (Phosphorus)Fosfor1530,9737621,82442801669H.

Brand(t)PaProtaktinium91231,035915,37155440301917Soddy, Cranston samt HahnPb (Plumbum)Bly82207,211,34327,51740FörhistorisktOkänd PdPalladium46106,4212,02155231401803WollastonPmPrometium61146,91517,22108027301945Marinsky samt GlendeninPoPolonium84208,98249,202549621898Marie samt Pierre CuriePrPraseodym59140,907656,4893132121895von WelsbachPtPlatina78195,0821,45177238271557ScaligerPuPlutonium94244,064219,7464133271940SeaborgRaRadium88226,02545,5070011401898Marie samt Pierre CurieRbRubidium3785,46781,53396881861Bunsen samt KirchhoffReRhenium75186,20721,03318056271925Noddack, Tacke samt BergRfRutherfordium104261,10871964/69Flerow alternativt GhiorsoRgRöntgenium1112721994Gesellschaft für SchwerionenforschungRhRodium45102,905512,41196637271803WollastonRnRadon86222,01760,00923−71−61,81900DornRuRutenium44101,0712,45231039001844ClausS (Sulphur)Svavel1632,0662,06113444,7FörhistorisktOkänd Sb (Stibium)Antimon51121,756,69630,71750FörhistorisktOkänd ScSkandium2144,955912,99153928321879NilsonSeSelen3478,964,822176851817BerzeliusSgSeaborgium106263,11821974OganessianSi (Silicium)Kisel1428,08552,33141023551824BerzeliusSmSamarium62150,367,54107217781879Lecoq dem BoisbaudranSn (Stannum)Tenn50118,717,292322270FörhistorisktOkänd SrStrontium3887,622,6376913841790CrawfordTaTantal73180,947916,68299654251802EkebergTbTerbium65158,925348,25136030411843MosanderTcTeknetium4398,906311,49217250301937Perrier samt SegrèTeTellur52127,66,25449,69901782von ReichensteinThTorium90232,038111,72175047871829BerzeliusTiTitan2247,884,51166032601791Gregor samt KlaprothTlTallium81204,383311,85303,614571861CrookesTmTulium69168,934219,32154517271879CleveTsTenness1172912010Joint Institute for Nuclear ResearchU (uranium)Uran92238,028918,971132,438181789KlaprothVVanadin2350,94156,09189033801801Nils Gabriel Sefström WVolfram74183,8519,26340759271783Scheele, José samt Fausto ElhuyarXeXenon54131,290,00449−111,9−1071898Ramsay samt TraversYYttrium3988,905854,47152333371794GadolinYbYtterbium70173,046,9782411931878de MarignacZnZink3065,397,14419,6907FörhistorisktOkänd ZrZirkonium4091,2246,51185243771789Klaproth