Interactive Periodic Table
The periodic table organizes the 118 known chemical elements by increasing atomic number. Elements in the same column (group) share similar properties, and each row (period) corresponds to an electron shell. Click any element to see its properties in detail.
1HHydrogen2HeHelium3LiLithium4BeBeryllium5BBoron6CCarbon7NNitrogen8OOxygen9FFluorine10NeNeon11NaSodium12MgMagnesium13AlAluminium14SiSilicon15PPhosphorus16SSulfur17ClChlorine18ArArgon19KPotassium20CaCalcium21ScScandium22TiTitanium23VVanadium24CrChromium25MnManganese26FeIron27CoCobalt28NiNickel29CuCopper30ZnZinc31GaGallium32GeGermanium33AsArsenic34SeSelenium35BrBromine36KrKrypton37RbRubidium38SrStrontium39YYttrium40ZrZirconium41NbNiobium42MoMolybdenum43TcTechnetium44RuRuthenium45RhRhodium46PdPalladium47AgSilver48CdCadmium49InIndium50SnTin51SbAntimony52TeTellurium53IIodine54XeXenon55CsCaesium56BaBarium72HfHafnium73TaTantalum74WTungsten75ReRhenium76OsOsmium77IrIridium78PtPlatinum79AuGold80HgMercury81TlThallium82PbLead83BiBismuth84PoPolonium85AtAstatine86RnRadon87FrFrancium88RaRadium104RfRutherfordium105DbDubnium106SgSeaborgium107BhBohrium108HsHassium109MtMeitnerium110DsDarmstadtium111RgRoentgenium112CnCopernicium113NhNihonium114FlFlerovium115McMoscovium116LvLivermorium117TsTennessine118OgOganesson
57–71
89–103
Lanthanides
Classifications
- Alkali metal
- Alkaline earth metal
- Transition metal
- Post-transition metal
- Metalloid
- Nonmetal
- Halogen
- Noble gas
- Lanthanide
- Actinide
- Synthetic
How to read the periodic table
The number at the top of each cell is the atomic number (number of protons). The letter is the chemical symbol, and below it is the element name. Columns are the groups (1 to 18) and rows are the periods (1 to 7). The two separate rows at the bottom are the lanthanides and actinides, from the f-block.
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