. . . "0"^^ . . . . . . . . "fluorine"^^ . . "14637507-n"^^ . . . . . . . . . . . . . . . . . "atomic number 9"@en-us . . "a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite"@en-us . . . . . . . . . "0"^^ . . . "114637507"^^ . . "F"@en-us . . . . . . . "a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite"@en-us . . "113799707"@en-us . "fluorine"@en-us . . . . . . . . . . . "110486257"@en-us . . . .