Actinium, Ac, Astatine, At, Berkelium, Bk, Bohrium, Bh, Californium, Cf, Curium, Cm, Darmstadtium, Ds, Dubnium, Db, Einsteinium, Es, Fermium, Fm, Francium, Fr, Gadolinium, Gd, Hafnium, Hf, Hassium, Hs, Indium, In, Lutetium, Lu, Meitnerium, Mt, Mendelevium, Md, Neptunium, Np, Nihonium, Nh, Protactinium, Pa, Promethium, Pm, Radium, Ra, Rhenium, Re, Roentgenium, Rg, Rutherfordium, Rf, Samarium, Sm, Technetium, Tc, Thulium, Tm, Ytterbium, Yb.

Hard Matching Elements

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