Periodic table (extended)
This extended periodic table was suggested by
Glenn T. Seaborg in
1969. It is a logical extension of the principles behind the standard periodic table to include as-yet-undiscoved elements.
Extended Periodic Table of the Elements
| Period |
| 1 |
1
H |
|
2
He |
| 2 |
3
Li |
4
Be |
|
5
B |
6
C |
7
N |
8
O |
9
F |
10
Ne |
| 3 |
11
Na |
12
Mg |
|
13
Al |
14
Si |
15
P |
16
S |
17
Cl |
18
Ar |
| 4 |
19
K |
20
Ca |
21
Sc |
|
22
Ti |
23
V |
24
Cr |
25
Mn |
26
Fe |
27
Co |
28
Ni |
29
Cu |
30
Zn |
31
Ga |
32
Ge |
33
As |
34
Se |
35
Br |
36
Kr |
| 5 |
37
Rb |
38
Sr |
39
Y |
|
40
Zr |
41
Nb |
42
Mo |
43
Tc |
44
Ru |
45
Rh |
46
Pd |
47
Ag |
48
Cd |
49
In |
50
Sn |
51
Sb |
52
Te |
53
I |
54
Xe |
| 6 |
55
Cs |
56
Ba |
57
La |
|
58
Ce |
59
Pr |
60
Nd |
61
Pm |
62
Sm |
63
Eu |
64
Gd |
65
Tb |
66
Dy |
67
Ho |
68
Er |
69
Tm |
70
Yb |
71
Lu |
72
Hf |
73
Ta |
74
W |
75
Re |
76
Os |
77
Ir |
78
Pt |
79
Au |
80
Hg |
81
Tl |
82
Pb |
83
Bi |
84
Po |
85
At |
86
Rn |
| 7 |
87
Fr |
88
Ra |
89
Ac |
|
90
Th |
91
Pa |
92
U |
93
Np |
94
Pu |
95
Am |
96
Cm |
97
Bk |
98
Cf |
99
Es |
100
Fm |
101
Md |
102
No |
103
Lr |
104
Rf |
105
Db |
106
Sg |
107
Bh |
108
Hs |
109
Mt |
110
Ds |
111
Uuu |
112
Uub |
113
Uut |
114
Uuq |
115
Uup |
116
Uuh |
117
Uus |
118
Uuo |
| 8 |
119
Uue |
120
Ubn |
121
Ubu |
122
Ubb |
123
Ubt |
124
Ubq |
125
Ubp |
126
Ubh |
127
Ubs |
128
Ubo |
129
Ube |
130
Utn |
131
Utu |
132
Utb |
133
Utt |
134
Utq |
135
Utp |
136
Uth |
137
Uts |
138
Uto |
139
Ute |
140
Uqn |
141
Uqu |
142
Uqb |
143
Uqt |
144
Uqq |
145
Uqp |
146
Uqh |
147
Uqs |
148
Uqo |
149
Uqe |
150
Upn |
151
Upu |
152
Upb |
153
Upt |
154
Upq |
155
Upp |
156
Uph |
157
Ups |
158
Upo |
159
Upe |
160
Uhn |
161
Uhu |
162
Uhb |
163
Uht |
164
Uhq |
165
Uhp |
166
Uhh |
167
Uhs |
168
Uho |
| 9 |
169
Uhe |
170
Usn |
171
Usu |
172
Usb |
173
Ust |
174
Usq |
175
Usp |
176
Ush |
177
Uss |
178
Uso |
179
Use |
180
Uon |
181
Uou |
182
Uob |
183
Uot |
184
Uoq |
185
Uop |
186
Uoh |
187
Uos |
188
Uoo |
189
Uoe |
190
Uen |
191
Ueu |
192
Ueb |
193
Uet |
194
Ueq |
195
Uep |
196
Ueh |
197
Ues |
198
Ueo |
199
Uee |
200
Bnn |
201
Bnu |
202
Bnb |
203
Bnt |
204
Bnq |
205
Bnp |
206
Bnh |
207
Bns |
208
Bno |
209
Bne |
210
Bun |
211
Buu |
212
Bub |
213
But |
214
Buq |
215
Bup |
216
Buh |
217
Bus |
218
Buo
|
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