2
He
Helium
Noble Gas
4
Be
Beryllium
Alkaline Earth
9
F
Fluorine
Halogen
10
Ne
Neon
Noble Gas
12
Mg
Magnesium
Alkaline Earth
17
Cl
Chlorine
Halogen
18
Ar
Argon
Noble Gas
20
Ca
Calcium
Alkaline Metal
35
Br
Bromine
Halogen
36
Kr
Krypton
Noble Gas
38
Sr
Strontium
Alkaline Earth
53
I
Iodine
Halogen
54
Xe
Xenon
Noble Gas
56
Ba
Barium
Alkaline Earth
*
85
At
Astatine
Halogen
86
Rn
Radon
Noble Gas
88
Ra
Radium
Alkaline Earth
**
117
Ts
Tennessine
Halogen
118
Og
Oganesson
Noble Gas
Lanthanides
57
La
Lanthanum
Lanthanide
58
Ce
Cerium
Lanthanide
59
Pr
Praseodymium
Lanthanide
60
Nd
Neodymium
Lanthanide
61
Pm
Promethium
Lanthanide
62
Sm
Samarium
Lanthanide
63
Eu
Europium
Lanthanide
64
Gd
Gadolinium
Lanthanide
65
Tb
Terbium
Lanthanide
66
Dy
Dysprosium
Lanthanide
67
Ho
Holmium
Lanthanide
68
Er
Erbium
Lanthanide
69
Tm
Thulium
Lanthanide
70
Yb
Ytterbium
Lanthanide
71
Lu
Lutetium
Lanthanide
Actinides
89
Ac
Actinium
Actinide
90
Th
Thorium
Actinide
91
Pa
Protactinium
Actinide
92
U
Uranium
Actinide
93
Np
Neptunium
Actinide
94
Pu
Plutonium
Actinide
95
Am
Americium
Actinide
96
Cm
Curium
Actinide
97
Bk
Berkelium
Actinide
98
Cf
Californium
Actinide
99
Es
Einsteinium
Actinide
100
Fm
Fermium
Actinide
101
Md
Mendelevium
Actinide
102
No
Nobelium
Actinide
103
Lr
Lawrencium
Actinide