francium

francium

-9 -9 -9 -9 -10 -10

Fr-222 1,000 6,2.10 1,000 3,9.10 2,0.10 1,3.10 8,5.10 7,2.10

-8 -8 -9 -9 -9 -9

Fr-223 1,000 2,6.10 1,000 1,7.10 8,3.10 5,0.10 2,9.10 2,4.10