Periodic Table
Interactive periodic table — click any element for details, filter by category, or start a quiz.
1HHydrogen1.008
2HeHelium4.003
3LiLithium6.941
4BeBeryllium9.012
5BBoron10.811
6CCarbon12.011
7NNitrogen14.007
8OOxygen15.999
9FFluorine18.998
10NeNeon20.180
11NaSodium22.990
12MgMagnesium24.305
13AlAluminium26.982
14SiSilicon28.086
15PPhosphorus30.974
16SSulfur32.065
17ClChlorine35.453
18ArArgon39.948
19KPotassium39.098
20CaCalcium40.078
21ScScandium44.956
22TiTitanium47.867
23VVanadium50.942
24CrChromium51.996
25MnManganese54.938
26FeIron55.845
27CoCobalt58.933
28NiNickel58.693
29CuCopper63.546
30ZnZinc65.38
31GaGallium69.723
32GeGermanium72.630
33AsArsenic74.922
34SeSelenium78.971
35BrBromine79.904
36KrKrypton83.798
37RbRubidium85.468
38SrStrontium87.62
39YYttrium88.906
40ZrZirconium91.224
41NbNiobium92.906
42MoMolybdenum95.96
43TcTechnetium(98)
44RuRuthenium101.07
45RhRhodium102.906
46PdPalladium106.42
47AgSilver107.868
48CdCadmium112.411
49InIndium114.818
50SnTin118.710
51SbAntimony121.760
52TeTellurium127.60
53IIodine126.904
54XeXenon131.293
55CsCaesium132.905
56BaBarium137.327
57–71
72HfHafnium178.49
73TaTantalum180.948
74WTungsten183.84
75ReRhenium186.207
76OsOsmium190.23
77IrIridium192.217
78PtPlatinum195.084
79AuGold196.967
80HgMercury200.592
81TlThallium204.383
82PbLead207.2
83BiBismuth208.980
84PoPolonium(209)
85AtAstatine(210)
86RnRadon(222)
87FrFrancium(223)
88RaRadium(226)
89–103
104RfRutherfordium(265)
105DbDubnium(268)
106SgSeaborgium(271)
107BhBohrium(272)
108HsHassium(270)
109MtMeitnerium(276)
110DsDarmstadtium(281)
111RgRoentgenium(280)
112CnCopernicium(285)
113NhNihonium(284)
114FlFlerovium(289)
115McMoscovium(288)
116LvLivermorium(293)
117TsTennessine(294)
118OgOganesson(294)
57LaLanthanum138.905
58CeCerium140.116
59PrPraseodymium140.908
60NdNeodymium144.242
61PmPromethium(145)
62SmSamarium150.36
63EuEuropium151.964
64GdGadolinium157.25
65TbTerbium158.925
66DyDysprosium162.500
67HoHolmium164.930
68ErErbium167.259
69TmThulium168.934
70YbYtterbium173.054
71LuLutetium174.967
89AcActinium(227)
90ThThorium232.038
91PaProtactinium231.036
92UUranium238.029
93NpNeptunium(237)
94PuPlutonium(244)
95AmAmericium(243)
96CmCurium(247)
97BkBerkelium(247)
98CfCalifornium(251)
99EsEinsteinium(252)
100FmFermium(257)
101MdMendelevium(258)
102NoNobelium(259)
103LrLawrencium(262)
Alkali Metal
Alkaline Earth Metal
Transition Metal
Post-Transition Metal
Metalloid
Nonmetal
Halogen
Noble Gas
Lanthanide
Actinide
Unknown