róidiam

Tábla peiriadach (Gaeilge)
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 * Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra ** Rf Db Sg Bh Hs Mt Ds Rg Uub Uut Uuq Uup Uuh Uus Uuo ↓ * La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu   ** Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr

Gaeilge

Ainmfhocal

róidiam

1. Is é an róidiam dúil uimhir a 45, agus is í an tsiombail cheimiceach atá aige ná Ru.