or
or
ল্যান্থানাইড সিরিজ : Lanthanum (La-57), Cerium (Ce-58), Praseodymium (Pr-59), Neodymium (Nd-60), Promethium (Pm-61), Samarium (Sm-62), Europium (Eu-63), Gadolinium (Gd-64), Terbium (Tb-65), Dysprosium (Dy-66), Holmium (Ho-67), Erbium (Er-68), Thulium (Tm-69), Ytterbium (Yb-70) & Lutetium (Lu-71)
অ্যাক্টিনাইড সিরিজ : Actinium (Ac-89), Thorium (Th-90), Protactinium (Pa-91), Uranium (U-92), Neptunium (Np-93), Plutonium (Pu-94), Americium (Am-95), Curium (Cm-96), Berkelium (Bk-97), Californium (Cf-98), Einsteinium (Es-99), Fermium (Fm-100), Mendelevium (Md-101), Nobelium (No-102) & Lawrencium (Lr-103)
