2
He
Helium
10
Ne
Neon
18
Ar
Argon
36
Kr
Krypton
54
Xe
Xenon
57
La
Lanthan
86
Rn
Radon
89
Ac
Actinium
109
Mt
Meitnerium
110
Ds
Darmstadtium
111
Rg
Røntgenium
113
Nh
Nihonium
115
Mc
Moscovium
116
Lv
Livermorium
117
Ts
Tennessin
118
Og
Oganesson
58
Ce
Cerium
59
Pr
Praseodym
60
Nd
Neodym
61
Pm
Promethium
62
Sm
Samarium
63
Eu
Europium
64
Gd
Gadolinium
65
Tb
Terbium
66
Dy
Dysprosium
67
Ho
Holmium
68
Er
Erbium
69
Tm
Thulium
70
Yb
Ytterbium
71
Lu
Lutetium
90
Th
Thorium
91
Pa
Protactinium
92
U
Uran
93
Np
Neptunium
94
Pu
Plutonium
95
Am
Americium
96
Cm
Curium
97
Bk
Berkelium
98
Cf
Californium
99
Es
Einsteinium
100
Fm
Fermium
101
Md
Mendelevium
102
No
Nobelium
103
Lr
Lawrencium