Extended Periodic Table
(suggested by Glenn T. Seaborg in 1969)
s
d
g
f
d
p
IA
0
1
H
He
1
IIA
IIIA
IVA
VA
VIA
VIIA
2
2
Li
Be
B
C
N
O
F
Ne
3
4
5
6
7
8
9
10
3
Na
Mg
Al
Si
P
S
Cl
Ar
11
12
IIIB
IVB
VB
VIB
VIIB
VIII
IB
IIB
13
14
15
16
17
18
4
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Ga
Ge
As
Se
Br
Kr
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
5
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
6
Cs
Ba
La
Ce
Pr
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
7
Fr
Ra
Ac
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Ku
Ha
Sg
Ns
Hs
Mt
Uun
Uuu
Uub
Uut
Uuq
Uup
Uuh
Uus
Uuo
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
8
Uue
Ubn
Ubu
Ubb
Ubt
Ubq
Ubp
Ubh
Ubs
Ubo
Ube
Utn
Utu
Utb
Utt
Utq
Utp
Uth
Uts
Uto
Ute
Uqn
Uqu
Uqb
Uqt
Uqq
Uqp
Uqh
Uqs
Uqo
Uqe
Upn
Upu
Upb
Upt
Upq
Upp
Uph
Ups
Upo
Upe
Uhn
Uhu
Uhb
Uht
Uhq
Uhp
Uhh
Uhs
Uho
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
9
169
170
171
172
173
REFERENCE:
William H. Nebergall, Frederic C. Schmidt, Henry F.
Holtzclaw,Jr. ; GENERAL CHEMISTRY, fourth edition, pp. 668-670,D.C. Heath and Company, Massachusetts,
1972.