prometyum

listen to the pronunciation of prometyum
التركية - الإنجليزية
promethium
a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium
{i} rare metallic element (Chemistry)
a metallic chemical element (symbol Pm) with an atomic number of 61
التركية - التركية
Atom numarası 61, atom ağırlığı 145 olan, nadir topraklar grubundan bir element (simgesi Pm)
Atom numarası 61, atom ağırlığı 145 olan, nadir topraklar grubundan bir element.Kısaltması Pm