"0"^^ . . . "113807229"@en-us . . "14645661-n"^^ . . "atomic number 42"@en-us . . . "0"^^ . "molybdenum"@en-us . . . . . "a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel"@en-us . "Mo"@en-us . . "a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel"@en-us . . . . "114645661"^^ . . . . "molybdenum"^^ .