Atomic Number
Symbol
Name
Max: Hydrogen
Min: Palladium
Group
Period
3
4
5
6
7
8
9
10
11
12
13
14
17
1
2
3
4
5
6
7
6
7
8
2
He
Helium
4.0026
10
Ne
Neon
20.1798
18
Ar
Argon
39.9481
36
Kr
Krypton
83.7982
54
Xe
Xenon
131.2936
57
La
Lanthanum
138.9055
58
Ce
Cerium
140.1161
59
Pr
Praseodymium
140.9077
60
Nd
Neodymium
144.2423
61
Pm
Promethium
145
62
Sm
Samarium
150.362
63
Eu
Europium
151.9641
64
Gd
Gadolinium
157.253
65
Tb
Terbium
158.9254
66
Dy
Dysprosium
162.5001
67
Ho
Holmium
164.9303
68
Er
Erbium
167.2593
69
Tm
Thulium
168.9342
70
Yb
Ytterbium
173.0451
71
Lu
Lutetium
174.9668
86
Rn
Radon
222
89
Ac
Actinium
227
90
Th
Thorium
232.0377
91
Pa
Protactinium
231.0359
92
U
Uranium
238.0289
93
Np
Neptunium
237
94
Pu
Plutonium
244
95
Am
Americium
243
96
Cm
Curium
247
97
Bk
Berkelium
247
98
Cf
Californium
251
99
Es
Einsteinium
252
100
Fm
Fermium
257
101
Md
Mendelevium
258
102
No
Nobelium
259
103
Lr
Lawrencium
266
109
Mt
Meitnerium
278
110
Ds
Darmstadtium
281
111
Rg
Roentgenium
282
112
Cn
Copernicium
285
113
Nh
Nihonium
286
114
Fl
Flerovium
289
115
Mc
Moscovium
289
116
Lv
Livermorium
293
117
Ts
Tennessine
294
118
Og
Oganesson
294
119
Uue
Ununennium
315
57-71
89-103
Phase at:
°C
°F
K