. "Bk"@en-us . "0.37419"^^ . . "a radioactive transuranic element; discovered by bombarding americium with helium"@en-us . . "114631134"^^ . "berkelium"^^ . "0.0"^^ . . . "0.335931"^^ . . "0.266221"^^ . "atomic number 97"@en-us . "NAN"^^ . . "0.0"^^ . "0.0236579"^^ . . "14631134-n"^^ . "0"^^ . . . "113793798"@en-us . . "berkelium"@en-us . . . "0.0"^^ . "0"^^ .