Element description ions I
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
10
11
12
13
14
15
16
17
18
Lanthanide
Actinide
Superactinide
Ion of Ununennium, Z=119, I.P.=38577 cm-1
References:
Dinh T. et al. // Phys. Rev. A - 2008 - Vol. 78, ¹ 2 A - P. 022507.