DeCommer.com
Periodic Table Project
Alkali metals
Alkaline earth metals
Transition metals
Post-transition metals
Metalloids
Reactive nonmetals
Noble gasses
Lanthanides
Actinides
Unknowns
1
18
2
13
14
15
16
17
2
He
Helium
4.003
10
Ne
Neon
20.180
3
4
5
6
7
8
9
10
11
12
18
Ar
Argon
39.95
36
Kr
Krypton
83.80
52
Xe
Xenon
131.29
57-71
Lanthanides
↓
86
Rn
Radon
222.018
89-103
Actinides
↓
109
Mt
Meiterium
[268]
110
Ds
Darmstadt...
[269]
111
Rg
Roentgen...
[272]
112
Cn
Copernicium
[277]
113
Nh
Nihonium
[286]
114
Fl
Flerovium
[289]
115
Mc
Moscovium
[289]
116
Lv
Livermore...
[298]
117
Ts
Tennessine
[294]
118
Og
Oganesson
[294]
Lanthanide
57
La
Lanthanum
138.906
58
Ce
Cerium
140.115
59
Pr
Praseodym...
140.908
60
Nd
Neodymium
144.24
61
Pm
Promethium
144.913
62
Sm
Samarium
150.36
63
Eu
Europium
151.966
64
Gd
Gadolinium
157.25
65
Tb
Terbium
158.925
66
Dy
Dysprosium
162.50
67
Ho
Hlomium
164.930
68
Er
Erbium
167.26
69
Tm
Thulium
168.934
70
Yb
Ytterbium
173.04
71
Lu
Lutetieum
174.967
Actinide
89
Ac
Actinium
227.028
90
Th
Thorium
232.038
91
Pa
Protactin...
227.028
92
U
Uranium
238.029
93
Np
Neptunium
237.048
94
Pu
Plutonium
244.064
95
Am
Americium
243.061
96
Cm
Curium
247.070
97
Bk
Berkelium
247.070
98
Cf
Californium
251.080
99
Es
Einsteinium
247.070
100
Fm
Fermium
247.070
101
Md
Mendelevium
258.1
102
No
Nobelium
259.101
103
Lr
Lawrencium
[262]