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1
Hydrogen
H
3
Lithium
Li
11
Sodium
Na
19
Potassium
K
37
Rubidium
Rb
55
Caesium
Cs
87
Francium
Fr
0
NULL
NULL
4
Beryllium
Be
12
Magnesium
Mg
20
Calcium
Ca
38
Strontium
Sr
56
Barium
Ba
88
Radium
Ra
0
NULL
NULL
0
NULL
NULL
0
NULL
NULL
21
Scandium
Sc
39
Yttrium
Y
71
Lutetium
Lu
103
Lawrencium
Lr
0
NULL
NULL
0
NULL
NULL
0
NULL
NULL
22
Titanium
Ti
40
Zirconium
Zr
72
Hafnium
Hf
104
Rutherfordium
Rf
0
NULL
NULL
0
NULL
NULL
0
NULL
NULL
23
Vanadium
V
41
Niobium
Nb
73
Tantalum
Ta
105
Dubnium
Db
0
NULL
NULL
0
NULL
NULL
0
NULL
NULL
24
Chromium
Cr
42
Molybdenum
Mo
74
Tungsten
W
106
Seaborgium
Sg
0
NULL
NULL
0
NULL
NULL
0
NULL
NULL
25
Manganese
Mn
43
Technetium
Tc
75
Rhenium
Re
107
Bohrium
Bh
0
NULL
NULL
0
NULL
NULL
0
NULL
NULL
26
Iron
Fe
44
Ruthenium
Ru
76
Osmium
Os
108
Hassium
Hs
0
NULL
NULL
0
NULL
NULL
0
NULL
NULL
27
Cobalt
Co
45
Rhodium
Rh
77
Iridium
Ir
109
Meitnerium
Mt
0
NULL
NULL
0
NULL
NULL
0
NULL
NULL
28
Nickel
Ni
46
Palladium
Pd
78
Platinum
Pt
110
Darmstadtium
Ds
0
NULL
NULL
0
NULL
NULL
0
NULL
NULL
29
Copper
Cu
47
Silver
Ag
79
Gold
Au
111
Roentgenium
Rg
0
NULL
NULL
0
NULL
NULL
0
NULL
NULL
30
Zinc
Zn
48
Cadmium
Cd
80
Mercury
Hg
112
Copernicium
Cn
0
NULL
NULL
5
Boron
B
13
Aluminium
Al
31
Gallium
Ga
49
Indium
In
81
Thallium
Ti
113
Nihonium
Nh
0
NULL
NULL
6
Carbon
C
14
Silicon
Si
32
Germanium
Ge
50
Tin
Sn
82
Lead
Pb
114
Flerovium
Fl
0
NULL
NULL
7
Nitrogen
N
15
Phosphorus
P
33
Arsenic
As
51
Antimony
Sb
83
Bismuth
Bi
115
Moscovium
Mc
0
NULL
NULL
8
Oxygen
O
16
Sulfur
S
34
Selenium
Se
52
Tellurium
Te
84
Polonium
Po
116
Livermorium
Lv
0
NULL
NULL
9
Fluorine
F
17
Chlorine
Cl
35
Bromine
Br
53
Iodine
I
85
Astatine
At
117
Tennessine
Ts
2
Helium
He
10
Neon
Ne
18
Argon
Ar
36
Krypton
Kr
54
Xenon
Xe
86
Radon
Rn
118
Oganesson
Og
57
Lanthanum
La
89
Actinium
Ac
58
Cerium
Ce
90
Thorium
Th
59
Praseodymium
Pr
91
Protactinium
Pa
60
Neodymium
Nd
92
Uranium
U
61
Promethium
Pm
93
Neptunium
Np
62
Samarium
Sm
94
Plutonium
Pu
63
Europium
Eu
95
Americium
Am
64
Gadolinium
Gd
96
Curium
Cm
65
Terbium
Tb
97
Berkelium
Bk
66
Dysprosium
Dy
98
Californium
Cf
67
Holmium
Ho
99
Einsteinium
Es
68
Erbium
Er
100
Fermium
Fm
69
Thulium
Tm
101
Mendelevium
Md
70
Ytterbium
Yb
102
Nobelium
No