. . "0.0822722"^^ . "0.402214"^^ . "0.0"^^ . . . . "Hf"@en-us . "14639556-n"^^ . "0.0"^^ . . "a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons"@en-us . . . . . . "114639556"^^ . . . . . . . . . "hafnium"^^ . . . . "atomic number 72"@en-us . . . . "hafnium"@en-us . "0.200226"^^ . "0"^^ . "110487939"@en-us . . . "0.315288"^^ . . . . "113801433"@en-us . . . . . . "0"^^ . "0.0"^^ . . . . . . . . . . . . . . . "a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons"@en-us . "0.0"^^ .