118
11HHidrogjen2
13141516172HeHelium
23LiLitium4BeBerilium5BBor6CKarbon7NAzot8OOksigjen9FFlor10NeNeon
311NaNatrium12MgMagnez345678910111213AlAlumin14SiSilic15PFosfor16SSulfur17ClKlor18ArArgon
419KKalium20CaKalcium21ScSkandium22TiTitan23VVanad24CrKrom25MnMangan26FeHekur27CoKobalt28NiNikel29CuBakër30ZnZink31GaGalium32GeGermanium33AsArseni34SeSelen35BrBrom36KrKripton
537RbRubid38SrStroncium39YItrium40ZrZirkonium41NbNiob42MoMolibden43TcTeknec44RuRuten45RhRodium46PdPalad47AgArgjent48CdKadmium49InIndium50SnKalaj51SbAntimon52TeTelur53IJod54XeKsenon
655CsCezium56BaBarium57-71
La-Lu
72HfHafnium73TaTantal74WVolfram75ReRenium76OsOsmium77IrIrid78PtPlatin79AuAr80HgMërkur81TlTalium82PbPlumb83BiBizmut84PoPolonium85AtAstat86RnRadon
787FrFrancium88RaRadium89-103
Ac-Lr
104RfRadherfordium105DbDubnium106SgSiborgium107BhBorium108HsHasium109MtMajtnerium110DsDarmstadtium111RgRentgenium112CnCopernicium113NhNihonium114FlFlerovium115McMoskovium116LvLivermorium117TsUnunseptium118OgUnunoctium
8119UueUnunennium120UbnUnbinilium121-126
Ubu-Ubh
57LaLantan58CeCerium59PrPrazeodim60NdNeodim61PmPromet62SmSamarium63EuEurop64GdGadolin65TbTerbium66DyDisporz67HoHolmium68ErErbium69TmTulium70YbIterb71LuLutec
89AcAktin90ThTorium91PaProtaktin92UUranium93NpNeptun94PuPlutonium95AmAmericium96CmKirium97BkBerkelium98CfKalifornium99EsAjnshtajnium100FmFermium101MdMendelevium102NoNobelium103LrLorencium
121UbuUnbiunium122UbbUnbibium123UbtUnbitrium124UbqUnbiquadium125UbpUnbipentium126UbhUnbihexium127UbsUnbiseptium

Treguesit

Lakmus

Ngjyra e origjinës natyrore, një nga treguesit e parë dhe më të njohur acid-bazë (pH) indikatorët

Acid
[H+] > [OH-] pH = 0
Neutral
[H+] = [OH-] pH = 7
Alkali
[OH-] > [H+] pH = 14