প ল চিঙ্পʼইপা তাৰা
প`ল`নিয়াম (Assamese)
প`ল`নিয়াম (Assamese)
1. ChemistryPolonium is a chemical element; it has symbol Po and atomic number 84. A rare and highly radioactive metal (although sometimes classified as a metalloid) with no stable isotopes, polonium is a chalcogen... from wikipedia.org