"Fr"@en-us . . . . . . "0.0829172"^^ . . . "francium"^^ . "a radioactive element of the alkali-metal group discovered as a disintegration product of actinium"@en-us . . "0.158655"^^ . "110486570"@en-us . "14637864-n"^^ . . . . "114637864"^^ . "a radioactive element of the alkali-metal group discovered as a disintegration product of actinium"@en-us . "0"^^ . . "0.220599"^^ . "0.104506"^^ . "0.10386"^^ . . . "0.098274"^^ . "0"^^ . . . "0.147751"^^ . . . "francium"@en-us . "atomic number 87"@en-us . "0.0834383"^^ . "113800064"@en-us .