118
11HVäte2
13141516172HeHelium
23LiLitium4BeBeryllium5BBor6CKol7NKväve8OSyre9FFluor10NeNeon
311NaNatrium12MgMagnesium345678910111213AlAluminium14SiKisel15PFosfor16SSvavel17ClKlor18ArArgon
419KKalium20CaKalcium21ScSkandium22TiTitan23VVanadin24CrKrom25MnMangan26FeJärn27CoKobolt28NiNickel29CuKoppar30ZnZink31GaGallium32GeGermanium33AsArsenik34SeSelen35BrBrom36KrKrypton
537RbRubidium38SrStrontium39YYttrium40ZrZirkonium41NbNiob42MoMolybden43TcTeknetium44RuRutenium45RhRodium46PdPalladium47AgSilver48CdKadmium49InIndium50SnTenn51SbAntimon52TeTellur53IJod54XeXenon
655CsCesium56BaBarium57-71
La-Lu
72HfHafnium73TaTantal74WVolfram75ReRhenium76OsOsmium77IrIridium78PtPlatina79AuGuld80HgKvicksilver81TlTallium82PbBly83BiVismut84PoPolonium85AtAstat86RnRadon
787FrFrancium88RaRadium89-103
Ac-Lr
104RfRutherfordium105DbDubnium106SgSeaborgium107BhBohrium108HsHassium109MtMeitnerium110DsDarmstadtium111RgRöntgenium112CnCopernicium113NhNihonium114FlFlerovium115McMoscovium116LvLivermorium117TsTennessine118OgOganesson
8119UueUnunennium120UbnUnbinilium121-126
Ubu-Ubh
57LaLantan58CeCerium59PrPraseodym60NdNeodym61PmPrometium62SmSamarium63EuEuropium64GdGadolinium65TbTerbium66DyDysprosium67HoHolmium68ErErbium69TmTulium70YbYtterbium71LuLutetium
89AcAktinium90ThTorium91PaProtaktinium92UUran93NpNeptunium94PuPlutonium95AmAmericium96CmCurium97BkBerkelium98CfCalifornium99EsEinsteinium100FmFermium101MdMendelevium102NoNobelium103LrLawrencium
121UbuUnbiunium122UbbUnbibium123UbtUnbitrium124UbqUnbiquadium125UbpUnbipentium126UbhUnbihexium127UbsUnbiseptium

Indikatorer

Lackmus

Färgen av naturligt ursprung, en av de första och mest kända syrabasindikatorerna (pH)

Syra
[H+] > [OH-] pH = 0
Neutral
[H+] = [OH-] pH = 7
Alkalisk
[OH-] > [H+] pH = 14