1
2
1
2
H
4.002602 Helium He
1.00794 Hydrogen
3
4
5
6
7
8
9
10
2 1 Li
2 2 Be
2 3 B
2 4 C
2 5 N
2 6 O
2 7 F
2 8 Ne
6.941 Lithium
9.012182 Beryllium
10.811 Boron
12.0107 Carbon
14.0067 Nitrogen
15.9994 Oxygen
18.9984032 Fluorine
20.1797 Neon
11
12
13
14
15
16
17
18
22.98976928 Sodium 2 8 1 Na
24.305 Magnesium 2 8 2 Mg 2 8 8 2 Ca
2 8 3 Al
2 8 4 Si
2 8 5 P
2 8 6 S
2 8 7 Cl
2 8 8 Ar
26.9815386 Aluminum
28.0855 Silicon
30.973762 Phosphorus
32.065 Sulfur
35.453 Chlorine
39.948 Argon
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
2 8 8 1 K
44.955912 Scandium 2 8 9 2 Sc
2 8 10 2 Ti
2 8 11 2 V
2 8 13 1 Cr
54.938045 Manganese 2 8 13 2 Mn
2 8 14 2 Fe
2 8 15 2 Co
2 8 16 2 Ni
2 8 18 1 Cu
2 8 18 2 Zn
2 8 18 3 Ga
72.64 Germanium 2 8 18 4 Ge
2 8 18 5 As
2 8 18 6 Se
2 8 18 7 Br
2 8 18 8 Kr
39.0983 Potassium
40.078 Calcium
47.867 Titanium
50.9415 Vanadium
51.9961 Chromium
55.845 Iron
58.933195 Cobalt
58.6934 Nickel
63.546 Copper
65.38 Zinc
69.723 Gallium
74.9216 Arsenic
78.96 Selenium
79.904 Bromine
83.798 Krypton
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
2 8 18 8 1 Rb
2 8 18 8 2 Sr
2 8 18 9 2 Y
2 8
2 8
2 8
2 8
2 8
2 8
106.42 Palladium 2 8 18 18 Pd
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
18 10 2 Zr
18 12 1 Nb
18 13 1 Mo
18 13 2 Tc
101.07 Ruthenium 18 15 1 Ru 18 32 14 2 Os 2 8
18 16 1 Rh
18 18 1 Ag
18 18 2 Cd
18 18 3 In
18 18 4 Sn
18 18 5 Sb
18 18 6 Te
18 18 7 I
18 18 8 Xe
85.4678 Rubidium
87.62 Strontium
88.90585 Yttrium
91.224 Zirconium
92.90638 Niobium
95.96 Molybdenum
(98.0) Technetium
102.9055 Rhodium
107.8682 Silver
112.411 Cadmium
114.818 Indium
118.71 Tin
121.76 Antimony
127.6 Tellurium
126.90447 Iodine
131.293 Xenon
55
56
57
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
18 18 8 1 Cs
18 18 8 2 Ba
18 18 9 2 La
18 32 10 2 Hf
18 32 11 2 Ta
18 32 12 2 W
18 32 13 2 Re
18 32 15 2 Ir
18 32 17 1 Pt
18 32 18 1 Au
18 32 18 2 Hg
18 32 18 3 Tl
18 32 18 4 Pb
18 32 18 5 Bi
18 32 18 6 Po
18 32 18 7 At
18 32 18 8 Rn
132.9054 Cesium
137.327 Barium
138.90547 Lanthanum
178.48 Hafnium
180.9488 Tantalum
183.84 Tungsten
186.207 Rhenium
190.23 Osmium
192.217 Iridium
195.084 Platinum
196.966569 Gold
200.59 Mercury
204.3833 Thallium
207.2 Lead
208.9804 Bismuth
(209) Polonium
(210) Astatine
(222) Radon
87
88
89
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
(288) Moscovium Mc
(284) Nihonium Nh
18 32 32 18 7 Ts Og
18 32 18 8 1 Fr
18 32 18 8 2 Ra
18 32 18 9 2 Ac
18 32 32 10 2 Rf
18 32 32 11 2 Db
18 32 32 12 2 Sg
18 32 32 13 2 Bh
18 32 32 14 2 Hs
18 32 32 15 2 Mt
(281) Darmstadtium 18 32 32 17 1 Ds
(280) Roentgenium 18 32 32 18 1 Rg
(285) Copernicium 18 32 32 18 2 Cn
18 32 32 18 4 Fl
18 32 32 18 6 Lv
18 32 32 18 3
18 32 32 18 5
18 32 32 18 8
(223) Francium
(226) Radium
(227) Actinium
(267) Rutherfordium
(268) Dubnium
(271) Seaborgium
(272) Bohrium
(270) Hassium
(276) Meitnerium
(289) Flerovium
(293) Livermorium
(294) Tennessine
(294) Oganesson
58
59
60
61
62
63
64
65
66
67
68
69
70
71
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
18 19 9 2 Ce
18 21 8 2 Pr
18 22 8 2 Nd
(145) Promethium 18 23 8 2 Pm
18 24 8 2 Sm
18 25 8 2 Eu
157.25 Gadolinium 18 25 9 2 Gd
18 27 8 2 Tb
18 28 8 2 Dy
18 29 8 2 Ho
18 30 8 2 Er
18 31 8 2 Tm
18 32 8 2 Yb
18 32 9 2 Lu
140.116 Cerium
140.90765 Praseodymium
144.242 Neodymium
150.36 Samarium
151.964 Europium
158.92535 Terbium
162.5 Dysprosium
164.93032 Holmium
167.259 Erbium
168.93421 Thulium
173.054 Ytterbium
174.9668 Lutetium
90
91
92
93
94
95
96
97
98
99
100
101
102
103
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
2 8
18 32 18 10 2 Th
18 32 20 9 2 Pa
18 32 21 9 2 U
(237) Neptunium 18 32 22 9 2 Np
(244) Plutonium 18 32 24 8 2 Pu
(243) Americium 18 32 25 8 2 Am
18 32 25 9 2 Cm
(247) Berkelium 18 32 27 8 2 Bk
18 32 28 8 2 Cf
18 32 29 8 2 Es
18 32 30 8 2 Fm
(258) Mendelevium 18 32 31 8 2 Md
18 32 32 8 2 No
18 32 32 8 3 Lr
232.03806 Thorium
231.03588 Protactinium
238.02891 Uranium
(247) Curium
(251) Californium
(252) Einsteinium
(257) Fermium
(259) Nobelium
(262) Lawrencium
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