astat -9 -9 -10 -10 -10 -10 At-207 1,000 2,5.10 1,000 1,6.10 8,0.10 4,8.10 2,9.10 2,4.10 -7 -8 -8 -8 -8 -8 At-211 1,000 1,2.10 1,000 7,8.10 3,8.10 2,3.10 1,3.10 1,1.10