1
Np atomic number 93
2
Db atomic number 105
3
Lu atomic number 71
4
Tb atomic number 65
5
Bk atomic number 97
6
Th atomic number 90
7
Er atomic number 68
8
Sm atomic number 62
9
Hs atomic number 108
10
No atomic number 102
11
U atomic number 92
12
Ce atomic number 58
10
12
11
9
8
6
7
4
5
1
3
2
