55 Chemistry Periodic Table
The Periodic Tableby Brady Sammons
2
He
Helium4.0026
9
F
Fluorine18.998
10
Ne
Neon20.1797
17
Cl
Chlorine35.453
18
Ar
Argon39.948
35
Br
Bromine79.904
18
Ar
Argon39.948
53
I
Iodine126.904
54
Xe
Xenon131.293
85
At
Astatine[210]
86
Rn
Radon[222]
57
La
Lanthanum138.905
58
Ce
Cerium140.116
59
Pr
Praseodymium140.907
60
Nd
Neodymium144.242
61
Pm
Promethium[145]
62
Sm
Samarium150.36
63
Eu
Europium151.36
64
Gd
Gadolinium157.25
65
Tb
Terbium158.925
66
Dy
Dysprosium162.500
67
Ho
Holmium164.930
68
Er
Erbium167.259
69
Tm
Thulium168.934
70
Yb
Ytterbium173.04
71
Lu
Lutetium174.967
89
Ac
Actinium[227]
90
Th
Thorium232.038
91
Pa
Protactinium232.038
92
U
Uranium238.028
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[257]
100
Fm
Fermium[257]
101
Md
Mendelevium[258]
102
No
Nobelium[259]
103
Lr
Lawrencium[262]
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