Meaning : 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.
Synonyms : atomic number 61, pm
Translation in other languages :
आवर्ती कोष्टकातील दूर्मिळ गटापैकी धातुरूप मूलद्रव्य.
प्रोमेथिअमचा आणव क्रमांक एकसष्ठ आहे.Promethium meaning in Telugu.