Ceriumball is a chemical element with symbol Ce and atomic number 58. Cerium is a soft, ductile and silvery-white metal that tarnishes when exposed to air, and it is soft enough to be cut with a knife.
Cerium spectrum visible

Spectral lines

Alkali Metals LithiumballSodiumballPotassiumballRubidiumballCaesiumballFranciumballUnunenniumball (predicted)
Alkali Earth Metals BerylliumballMagnesiumballCalciumballStrontiumballBariumballRadiumballUnbiniliumball (predicted)
Transition Metals ScandiumballTitaniumballVanadiumballChromiumballManganeseballIronballCobaltballNickelballCopperballZincballYttriumballZirconiumballNiobiumballMolybdenumballTechnetiumballRutheniumballRhodiumballPalladiumballSilverballCadmiumballHafniumballTantalumballTungstenballRheniumballOsmiumballIridiumballPlatinumballGoldballMercuryballRutherfordiumballDubniumballSeaborgiumballBohriumballHassiumballMeitneriumball (predicted) • Darmstadtiumball (predicted) • Roentgeniumball (predicted) • Coperniciumball
Post-transition Metals AluminiumballGalliumballIndiumballTinballThalliumballLeadballBismuthballNihoniumball (predicted) • Fleroviumball (predicted) • Moscoviumball (predicted) • Livermoriumball (predicted) • Tennessineball (predicted)
Lanthanides LanthanumballCeriumballPraseodymiumballNeodymiumballPromethiumballSamariumballEuropiumballGadoliniumballTerbiumballDysprosiumballHolmiumballErbiumballThuliumballYtterbiumballLutetiumball
Actinides ActiniumballThoriumballProtactiniumballUraniumballNeptuniumballPlutoniumballAmericiumballCuriumballBerkeliumballCaliforniumballEinsteiniumballFermiumballMendeleviumballNobeliumballLawrenciumball
Chemical elements
q e- n n0 n2 n3 n4 n5 p+
H   He
Li Be   B C N O F Ne
Na Mg   Al Si P S Cl Ar
K Ca Sc   Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y   Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og