. "110937709"@en-us . "0"^^ . "0.121345"^^ . . . . . . "0.0483293"^^ . "0.174468"^^ . . "110498261"@en-us . . "0.134938"^^ . "Pm"@en-us . "atomic number 61"@en-us . . . "0"^^ . . . "promethium"@en-us . . . . . "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"@en-us . . "0.100994"^^ . "114651479"^^ . . . "0.107883"^^ . . . "0.117423"^^ . . . "promethium"^^ . . . "0.19462"^^ . . . "14651479-n"^^ . . . . . . . . . "113812771"@en-us .