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118
11HHidrojeni2
13141516172HeHeli
23LiLithi4BeBerili5BBoroni6CKaboni7NNitrojeni8OOksijeni9FFlorini10NeNeoni
311NaNatiri12MgMagnesi345678910111213AlAlumini14SiSilikoni15PPosfori16SSulfuri17ClKlorini18ArArigoni
419KKali20CaKalisi21ScSkandi22TiTitani23VVanadi24CrKromi25MnManganisi26FeFeri27CoKobalti28NiNikeli29CuKupri30ZnZinki31GaGali32GeGerimani33AsAseniki34SeSeleni35BrBromi36KrKriptoni
537RbRubidi38SrStronti39YYitri40ZrZirikoni41NbNiobi42MoMolibdeni43TcTekineti44RuRutheni45RhRodi46PdPaladi47AgAgenti48CdKadimi49InIndi50SnStani51SbStibi52TeTeluri53IIodini54XeZenoni
655CsSizi56BaBari57-71
La-Lu		72HfHafni73TaTantali74WWolframi75ReReni76OsOsmi77IrIridi78PtPlatini79AuAuri80HgHidrajiri81TlTali82PbPlumbi83BiBismuthi84PoPoloni85AtAstatini86RnRadoni
787FrFransi88RaRadi89-103
Ac-Lr		104RfRutherfordi105DbDubni106SgSeaborgi107BhBohri108HsHassi109MtMeitneri110DsDarmstadti111RgRoentgeni112CnKopernici113NhNihoni114FlFlerovi115McMoscovi116LvLivermori117TsUnunsepti118OgUnunocti
8119UueUnunenni120UbnUnbinili121-126
Ubu-Ubh
57LaLanthani58CeSeri59PrPraseodimi60NdNeodimi61PmPromethi62SmSamari63EuEuropi64GdGadolini65TbTaribi66DyDisprosi67HoHomi68ErErbi69TmThuri70YbYitebi71LuLuteti
89AcAktini90ThThori91PaProtaktini92UUrani93NpNeptuni94PuPlutoni95AmAmeriki96CmKuri97BkBerkeli98CfKalifoni99EsEinsteni100FmFermi101MdMendelevi102NoNobeli103LrLawirensi
121UbuUnbiunium122UbbUnbibium123UbtUnbitrium124UbqUnbiquadium125UbpUnbipentium126UbhUnbihexium127UbsUnbiseptium

Viashiria

Litmus

Rangi ya asili asili, moja ya kwanza na maarufu zaidi asidi-base (pH) viashiria

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