✧ PERIODIC TABLE ✧
1 2                     3 4 5 6 7 0 (8)
Key 1 H Hydrogen 1 4 He Helium 2
7 Li Lithium 3 9 Be Beryllium 4 Relative atomic mass Symbol Name Atomic (proton) number 11 B Boron 5 12 C Carbon 6 14 N Nitrogen 7 16 O Oxygen 8 19 F Fluorine 9 20 Ne Neon 10
23 Na Sodium 11 24 Mg Magnesium 12 27 Al Aluminium 13 28 Si Silicon 14 31 P Phosphorus 15 32 S Sulfur 16 35.5 Cl Chlorine 17 40 Ar Argon 18
39 K Potassium 19 40 Ca Calcium 20 45ScScandium21 48TiTitanium22 51VVanadium23 52CrChromium24 55MnManganese25 56FeIron26 59CoCobalt27 59NiNickel28 63.5CuCopper29 65ZnZinc30 70GaGallium31 73GeGermanium32 75AsArsenic33 79SeSelenium34 80BrBromine35 84KrKrypton36
85RbRubidium37 88SrStrontium38 89YYttrium39 91ZrZirconium40 93NbNiobium41 96MoMolybdenum42 98TcTechnetium43 101RuRuthenium44 103RhRhodium45 106PdPalladium46 108AgSilver47 112CdCadmium48 115InIndium49 119SnTin50 122SbAntimony51 128TeTellurium52 127IIodine53 131XeXenon54
133CsCaesium55 137BaBarium56 Lanthanoids57-71 178HfHafnium72 181TaTantalum73 184WTungsten74 186ReRhenium75 190OsOsmium76 192IrIridium77 195PtPlatinum78 197AuGold79 201HgMercury80 204TlThallium81 207PbLead82 209BiBismuth83 209PoPolonium84 210AtAstatine85 222RnRadon86
223FrFrancium87 226RaRadium88 Actinoids89-103 267RfRutherfordium104 268DbDubnium105 269SgSeaborgium106 270BhBohrium107 269HsHassium108 278MtMeitnerium109 281DsDarmstadtium110 282RgRoentgenium111 285CnCopernicium112 286NhNihonium113 289FlFlerovium114 290McMoscovium115 293LvLivermorium116 294TsTennessine117 294OgOganesson118
Lanthanoids 139LaLanthanum57 140CeCerium58 141PrPraseodymium59 144NdNeodymium60 145PmPromethium61 150SmSamarium62 152EuEuropium63 157GdGadolinium64 159TbTerbium65 163DyDysprosium66 165HoHolmium67 167ErErbium68 169TmThulium69 173YbYtterbium70 175LuLutetium71
Actinoids 227AcActinium89 232ThThorium90 231PaProtactinium91 238UUranium92 237NpNeptunium93 244PuPlutonium94 243AmAmericium95 247CmCurium96 247BkBerkelium97 251CfCalifornium98 252EsEinsteinium99 257FmFermium100 258MdMendelevium101 259NoNobelium102 266LrLawrencium103
⚛️ Mass numbers rounded to whole numbers except Chlorine ( 35.5) & Copper (63.5)