Index Elementorum Chemicorum

List of all the known elements discovered so far on the periodic table.

Atomic NumberElement SymbolNomenRelative Atomic Mass
1HHydrogenium1.008
2HeHelium4.00260
3LiLithium6.940
4BeBeryllium9.01218
5BBorium10.810
6CCarbonium12.011
7NNitrogenium14.007
8OOxygenium15.999
9FFluorum18.99840
10NeNeon20.1797
11NaNatrium22.98977
12MgMagnesium24.305
13AlAluminium26.98154
14SiSilicium28.085
15PPhosphorus30.97376
16SSulphurium32.060
17ClChlorium35.450
18ArArgon39.948
19KKalium39.0983
20CaCalcium40.078
21ScScandium44.95591
22TiTitanium47.867
23VVanadium50.9415
24CrChromium51.9961
25MnManganum54.93804
26FeFerrum55.845
27CoCobaltum58.93319
28NiNiccolum58.6934
29CuCuprum63.546
30ZnZincum65.38
31GaGallium69.723
32GeGermanium72.630
33AsArsenicum74.92159
34SeSelenium78.971
35BrBromium79.904
36KrKrypton83.798
37RbRubidium85.4678
38SrStrontium87.62
39YYttrium88.90584
40ZrZirconium91.224
41NbNiobium92.90637
42MoMolybdenum95.95
43TcTechnetium(97.90721)
44RuRuthenium101.07
45RhRhodium102.90550
46PdPalladium106.42
47AgArgentum107.8682
48CdCadmium112.414
49InIndium114.818
50SnStannum118.710
51SbStibium121.760
52TeTellurium127.60
53IIodium126.90447
54XeXenon131.293
55CsCaesium132.90545
56BaBarium137.327
57LaLanthanum138.90547
58CeCerium140.116
59PrPraseodymium140.90766
60NdNeodymium144.242
61PmPromethium(144.91276)
62SmSamarium150.36
63EuEuropium151.964
64GdGadolinium157.25
65TbTerbium158.92535
66DyDysprosium162.500
67HoHolmium164.93033
68ErErbium167.259
69TmThulium168.93422
70YbYtterbium173.04
71LuLutetium174.9668
72HfHafnium178.49
73TaTantalum180.94788
74WWolframium183.84
75ReRhenium186.207
76OsOsmium190.23
77IrIridium192.217
78PtPlatinum195.084
79AuAurum196.96657
80HgHydrargyrum200.592
81TlThallium204.380
82PbPlumbum207.2
83BiBisemutum208.98040
84PoPolonium(209)
85AtAstatium(210)
86RnRadon(222)
87FrFrancium(223)
88RaRadium(226)
89AcActinium(227)
90ThThorium(232.0377)
91PaProtactinium(231.03588)
92UUranium(238.02891)
93NpNeptunium(237)
94PuPlutonium(244)
95AmAmericium(243)
96CmCurium(247)
97BkBerkelium(247)
98CfCalifornium(251)
99EsEinsteinium(252)
100FmFermium(257)
101MdMendelevium(258)
102NoNobelium(259)
103LrLawrencium(262)
104RfRutherfordium(267)
105DbDubnium(268)
106SgSeaborgium(271)
107BhBohrium(274)
108HsHassium(269)
109MtMeitnerium(276)
110DsDarmstadtium(281)
111RgRoentgenium(281)
112CnCopernicium(285)
113NhNihonium(286)
114FlFlerovium(289)
115McMoscovium(288)
116LvLivermorium(293)
117TsTennessine(294)
118OgOganesson(294)
Hypothetical Chemical Element