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Period: 2025-04-01 to 2025-04-30
Total views: 4,858,731
Updated: 05:53, 7 May 2025 (UTC)
Rank
|
Page title
|
Views
|
Daily average
|
Assessment
|
Importance
|
1
|
Periodic table
|
323,151
|
10,771
|
FA
|
Top
|
2
|
Rare-earth element
|
96,948
|
3,231
|
C
|
Mid
|
3
|
Gold
|
93,823
|
3,127
|
B
|
Top
|
4
|
Hydrogen
|
65,149
|
2,171
|
FA
|
Top
|
5
|
Aluminium
|
64,437
|
2,147
|
GA
|
Top
|
6
|
Mercury (element)
|
56,793
|
1,893
|
GA
|
Top
|
7
|
Iron
|
53,782
|
1,792
|
GA
|
Top
|
8
|
Copper
|
53,057
|
1,768
|
GA
|
Top
|
9
|
Oxygen
|
52,917
|
1,763
|
FA
|
Top
|
10
|
Tungsten
|
48,984
|
1,632
|
GA
|
Top
|
11
|
Sulfur
|
48,390
|
1,613
|
B
|
Top
|
12
|
Lead
|
48,008
|
1,600
|
FA
|
Top
|
13
|
Magnesium
|
45,914
|
1,530
|
B
|
Top
|
14
|
Uranium
|
45,028
|
1,500
|
B
|
Top
|
15
|
Atom
|
44,447
|
1,481
|
B
|
Mid
|
16
|
Carbon
|
44,239
|
1,474
|
GA
|
Top
|
17
|
Lithium
|
43,049
|
1,434
|
GA
|
Top
|
18
|
Nitrogen
|
42,672
|
1,422
|
GA
|
Top
|
19
|
Potassium
|
42,467
|
1,415
|
GA
|
Top
|
20
|
Sodium
|
40,763
|
1,358
|
GA
|
Top
|
21
|
Silver
|
40,694
|
1,356
|
GA
|
Top
|
22
|
Silicon
|
39,588
|
1,319
|
GA
|
Top
|
23
|
Tin
|
39,015
|
1,300
|
B
|
Top
|
24
|
List of chemical elements
|
38,910
|
1,297
|
List
|
Top
|
25
|
Helium
|
37,437
|
1,247
|
B
|
Top
|
26
|
Bismuth
|
37,433
|
1,247
|
GA
|
High
|
27
|
Titanium
|
37,281
|
1,242
|
B
|
Top
|
28
|
Chlorine
|
37,156
|
1,238
|
GA
|
Top
|
29
|
Cobalt
|
37,126
|
1,237
|
GA
|
Top
|
30
|
Phosphorus
|
36,252
|
1,208
|
B
|
Top
|
31
|
Platinum
|
36,179
|
1,205
|
GA
|
Top
|
32
|
Chemical element
|
36,113
|
1,203
|
C
|
Top
|
33
|
Zinc
|
34,466
|
1,148
|
FA
|
Top
|
34
|
Arsenic
|
34,233
|
1,141
|
B
|
Top
|
35
|
Antimony
|
34,189
|
1,139
|
GA
|
High
|
36
|
Boron
|
33,126
|
1,104
|
GA
|
Top
|
37
|
Plutonium
|
32,132
|
1,071
|
FA
|
Top
|
38
|
Oganesson
|
31,374
|
1,045
|
FA
|
High
|
39
|
Palladium
|
31,068
|
1,035
|
B
|
High
|
40
|
Chromium
|
31,048
|
1,034
|
GA
|
Top
|
41
|
Alchemical symbol
|
30,155
|
1,005
|
List
|
Low
|
42
|
Gallium
|
30,078
|
1,002
|
GA
|
High
|
43
|
Nickel
|
29,881
|
996
|
GA
|
Top
|
44
|
Iodine
|
29,797
|
993
|
GA
|
Top
|
45
|
Selenium
|
29,341
|
978
|
GA
|
Top
|
46
|
Thorium
|
28,245
|
941
|
FA
|
High
|
47
|
Metal
|
27,865
|
928
|
B
|
Top
|
48
|
Manganese
|
26,198
|
873
|
GA
|
Top
|
49
|
Radon
|
26,004
|
866
|
B
|
Top
|
50
|
Osmium
|
25,272
|
842
|
GA
|
High
|
51
|
Tritium
|
24,621
|
820
|
B
|
Mid
|
52
|
Bromine
|
24,389
|
812
|
GA
|
Top
|
53
|
Calcium
|
24,118
|
803
|
GA
|
Top
|
54
|
Fluorine
|
23,354
|
778
|
FA
|
Top
|
55
|
Beryllium
|
23,325
|
777
|
GA
|
High
|
56
|
Molybdenum
|
23,285
|
776
|
GA
|
High
|
57
|
Iridium
|
23,234
|
774
|
B
|
High
|
58
|
Dmitri Mendeleev
|
23,090
|
769
|
B
|
Top
|
59
|
Radium
|
22,371
|
745
|
GA
|
High
|
60
|
Noble gas
|
22,253
|
741
|
FA
|
High
|
61
|
Atomic number
|
22,175
|
739
|
C
|
Top
|
62
|
Deuterium
|
22,033
|
734
|
B
|
Mid
|
63
|
Half-life
|
21,503
|
716
|
C
|
Mid
|
64
|
Group (periodic table)
|
20,680
|
689
|
C
|
Mid
|
65
|
Caesium
|
20,316
|
677
|
FA
|
High
|
66
|
Argon
|
19,961
|
665
|
B
|
Top
|
67
|
Isotope
|
19,746
|
658
|
C
|
High
|
68
|
Neon
|
19,663
|
655
|
B
|
Top
|
69
|
Extended periodic table
|
19,547
|
651
|
B
|
Mid
|
70
|
Dysprosium
|
19,536
|
651
|
GA
|
Mid
|
71
|
Radiocarbon dating
|
19,380
|
646
|
FA
|
High
|
72
|
Neodymium
|
18,617
|
620
|
B
|
High
|
73
|
Vanadium
|
18,461
|
615
|
GA
|
High
|
74
|
Lanthanide
|
18,222
|
607
|
B
|
Mid
|
75
|
Yttrium
|
18,064
|
602
|
FA
|
High
|
76
|
Polonium
|
18,005
|
600
|
GA
|
High
|
77
|
Activated carbon
|
17,998
|
599
|
C
|
Low
|
78
|
Caesium-137
|
17,645
|
588
|
C
|
Low
|
79
|
Age of Earth
|
17,565
|
585
|
B
|
Mid
|
80
|
Uranium-235
|
17,423
|
580
|
Start
|
Low
|
81
|
Tantalum
|
17,214
|
573
|
GA
|
High
|
82
|
Sterling silver
|
16,913
|
563
|
B
|
Low
|
83
|
Gadolinium
|
16,871
|
562
|
C
|
High
|
84
|
Cadmium
|
16,664
|
555
|
GA
|
High
|
85
|
Rhodium
|
16,494
|
549
|
GA
|
High
|
86
|
Astatine
|
16,421
|
547
|
FA
|
Mid
|
87
|
Xenon
|
16,416
|
547
|
FA
|
High
|
88
|
Zirconium
|
16,247
|
541
|
GA
|
High
|
89
|
Red mercury
|
16,010
|
533
|
Start
|
Low
|
90
|
Indium
|
15,640
|
521
|
GA
|
High
|
91
|
Francium
|
15,516
|
517
|
FA
|
High
|
92
|
Ununennium
|
14,876
|
495
|
GA
|
Low
|
93
|
Thallium
|
14,852
|
495
|
GA
|
High
|
94
|
Lise Meitner
|
14,695
|
489
|
FA
|
Low
|
95
|
Abundance of the chemical elements
|
14,668
|
488
|
B
|
High
|
96
|
Transition metal
|
14,652
|
488
|
B
|
Mid
|
97
|
Helium-3
|
14,196
|
473
|
B
|
Mid
|
98
|
Germanium
|
14,042
|
468
|
FA
|
Top
|
99
|
Abundance of elements in Earth's crust
|
13,853
|
461
|
List
|
Mid
|
100
|
Technetium
|
13,840
|
461
|
FA
|
Top
|
101
|
Tennessine
|
13,774
|
459
|
FA
|
Mid
|
102
|
Halogen
|
13,689
|
456
|
B
|
High
|
103
|
Niobium
|
13,663
|
455
|
FA
|
High
|
104
|
Isotopes of hydrogen
|
13,662
|
455
|
List
|
Low
|
105
|
Hydrogen atom
|
13,509
|
450
|
C
|
Low
|
106
|
Krypton
|
13,490
|
449
|
GA
|
High
|
107
|
White phosphorus
|
13,095
|
436
|
C
|
Low
|
108
|
Uranium-238
|
13,017
|
433
|
C
|
Mid
|
109
|
Alkali metal
|
12,999
|
433
|
GA
|
High
|
110
|
Scandium
|
12,912
|
430
|
GA
|
High
|
111
|
Barium
|
12,404
|
413
|
GA
|
High
|
112
|
Moscovium
|
12,379
|
412
|
GA
|
Mid
|
113
|
Chemical symbol
|
12,313
|
410
|
List
|
High
|
114
|
Oxidation state
|
12,213
|
407
|
B
|
Low
|
115
|
Samarium
|
12,079
|
402
|
GA
|
High
|
116
|
Tellurium
|
12,078
|
402
|
GA
|
High
|
117
|
Heavy metals
|
11,835
|
394
|
B
|
Mid
|
118
|
Californium
|
11,790
|
393
|
FA
|
Mid
|
119
|
Strontium
|
11,729
|
390
|
GA
|
High
|
120
|
Electron configurations of the elements (data page)
|
11,657
|
388
|
List
|
High
|
121
|
Gold mining
|
11,504
|
383
|
C
|
Mid
|
122
|
Cobalt-60
|
11,314
|
377
|
C
|
Low
|
123
|
Nonmetal
|
11,284
|
376
|
GA
|
Mid
|
124
|
Unobtainium
|
11,260
|
375
|
C
|
Low
|
125
|
Plutonium-239
|
11,135
|
371
|
C
|
Low
|
126
|
Actinide
|
11,097
|
369
|
C
|
Mid
|
127
|
Carbon-14
|
11,054
|
368
|
B
|
High
|
128
|
Promethium
|
10,647
|
354
|
GA
|
Mid
|
129
|
Americium
|
10,584
|
352
|
GA
|
Mid
|
130
|
Metallic hydrogen
|
10,440
|
348
|
B
|
Low
|
131
|
Ruthenium
|
10,371
|
345
|
GA
|
High
|
132
|
Rhenium
|
10,147
|
338
|
GA
|
High
|
133
|
Discovery of chemical elements
|
10,101
|
336
|
C
|
High
|
134
|
Island of stability
|
10,093
|
336
|
FA
|
Mid
|
135
|
Rubidium
|
9,982
|
332
|
GA
|
High
|
136
|
Block (periodic table)
|
9,920
|
330
|
C
|
Mid
|
137
|
Atomic mass
|
9,711
|
323
|
C
|
Top
|
138
|
Lanthanum
|
9,379
|
312
|
GA
|
Mid
|
139
|
Otto Hahn
|
9,338
|
311
|
FA
|
Low
|
140
|
Alkaline earth metal
|
9,294
|
309
|
B
|
Mid
|
141
|
Lithium nickel manganese cobalt oxides
|
9,196
|
306
|
C
|
Low
|
142
|
Cerium
|
9,043
|
301
|
B
|
Mid
|
143
|
Einsteinium
|
8,835
|
294
|
GA
|
Mid
|
144
|
Hafnium
|
8,792
|
293
|
GA
|
High
|
145
|
Metalloid
|
8,702
|
290
|
FA
|
Mid
|
146
|
Noble metal
|
8,573
|
285
|
C
|
Mid
|
147
|
Terbium
|
8,542
|
284
|
GA
|
Mid
|
148
|
Primordial nuclide
|
8,516
|
283
|
Start
|
Low
|
149
|
Glenn T. Seaborg
|
8,507
|
283
|
GA
|
Mid
|
150
|
Lutetium
|
8,385
|
279
|
GA
|
Mid
|
151
|
Radionuclide
|
8,385
|
279
|
C
|
Low
|
152
|
Neptunium
|
8,308
|
276
|
GA
|
Mid
|
153
|
Iodine-131
|
7,896
|
263
|
B
|
Low
|
154
|
Allotropy
|
7,792
|
259
|
C
|
Low
|
155
|
Polonium-210
|
7,760
|
258
|
B
|
Mid
|
156
|
Prices of chemical elements
|
7,685
|
256
|
List
|
Low
|
157
|
Praseodymium
|
7,652
|
255
|
GA
|
High
|
158
|
Synthetic element
|
7,578
|
252
|
C
|
Mid
|
159
|
List of radioactive nuclides by half-life
|
7,382
|
246
|
List
|
Low
|
160
|
Nihonium
|
7,302
|
243
|
FA
|
Mid
|
161
|
Livermorium
|
7,265
|
242
|
GA
|
Mid
|
162
|
History of the periodic table
|
7,243
|
241
|
C
|
Mid
|
163
|
Copernicium
|
7,241
|
241
|
GA
|
Mid
|
164
|
Fissile material
|
7,216
|
240
|
C
|
Low
|
165
|
Ytterbium
|
7,197
|
239
|
GA
|
Mid
|
166
|
Allotropes of carbon
|
7,186
|
239
|
C
|
Low
|
167
|
Flerovium
|
7,078
|
235
|
GA
|
Mid
|
168
|
Isotopes of uranium
|
7,017
|
233
|
List
|
Low
|
169
|
Europium
|
6,982
|
232
|
GA
|
Mid
|
170
|
Plutonium-238
|
6,975
|
232
|
C
|
Low
|
171
|
Actinium
|
6,885
|
229
|
GA
|
Mid
|
172
|
Decay chain
|
6,806
|
226
|
C
|
Low
|
173
|
Mineral (nutrient)
|
6,795
|
226
|
B
|
Mid
|
174
|
Curium
|
6,752
|
225
|
GA
|
Mid
|
175
|
Mercury
|
6,652
|
221
|
Disambig
|
NA
|
176
|
List of fictional elements, materials, isotopes and subatomic particles
|
6,648
|
221
|
List
|
Low
|
177
|
Americium-241
|
6,586
|
219
|
C
|
Low
|
178
|
Strontium-90
|
6,556
|
218
|
C
|
Low
|
179
|
Radiometric dating
|
6,539
|
217
|
B
|
Mid
|
180
|
Period (periodic table)
|
6,416
|
213
|
C
|
Mid
|
181
|
Atomic radius
|
6,410
|
213
|
C
|
Low
|
182
|
Technetium-99m
|
6,167
|
205
|
B
|
Low
|
183
|
Chalcogen
|
6,156
|
205
|
B
|
Mid
|
184
|
Platinum group
|
6,079
|
202
|
C
|
Low
|
185
|
Roentgenium
|
6,048
|
201
|
GA
|
Mid
|
186
|
Protactinium
|
5,989
|
199
|
GA
|
Mid
|
187
|
List of gold nuggets by size
|
5,917
|
197
|
Start
|
Low
|
188
|
Allotropes of oxygen
|
5,879
|
195
|
C
|
Low
|
189
|
Holmium
|
5,859
|
195
|
GA
|
Mid
|
190
|
Pnictogen
|
5,823
|
194
|
B
|
Mid
|
191
|
Periodic trends
|
5,822
|
194
|
C
|
Low
|
192
|
Unbinilium
|
5,809
|
193
|
GA
|
Low
|
193
|
Lawrencium
|
5,692
|
189
|
GA
|
Mid
|
194
|
Red phosphorus
|
5,653
|
188
|
Start
|
Low
|
195
|
Isotopes of lithium
|
5,428
|
180
|
List
|
Low
|
196
|
Table of nuclides
|
5,409
|
180
|
List
|
Mid
|
197
|
Potassium-40
|
5,407
|
180
|
C
|
Mid
|
198
|
Thulium
|
5,406
|
180
|
GA
|
Mid
|
199
|
Seaborgium
|
5,269
|
175
|
GA
|
Mid
|
200
|
Isotopes of lead
|
5,173
|
172
|
List
|
Low
|
201
|
Atomic radii of the elements (data page)
|
5,118
|
170
|
List
|
Low
|
202
|
Isotopes of carbon
|
5,112
|
170
|
List
|
Low
|
203
|
Erbium
|
5,097
|
169
|
B
|
Mid
|
204
|
Rutherfordium
|
5,095
|
169
|
GA
|
Mid
|
205
|
Neutronium
|
5,068
|
168
|
C
|
Low
|
206
|
Positronium
|
5,041
|
168
|
C
|
Low
|
207
|
Transuranium element
|
4,988
|
166
|
C
|
Low
|
208
|
Berkelium
|
4,908
|
163
|
GA
|
Mid
|
209
|
Hassium
|
4,880
|
162
|
FA
|
Mid
|
210
|
Allotropes of iron
|
4,870
|
162
|
C
|
Low
|
211
|
Meitnerium
|
4,857
|
161
|
GA
|
Mid
|
212
|
Nuclear isomer
|
4,856
|
161
|
C
|
High
|
213
|
Isotopes of nickel
|
4,778
|
159
|
List
|
Low
|
214
|
Nobelium
|
4,757
|
158
|
GA
|
Mid
|
215
|
Darmstadtium
|
4,751
|
158
|
GA
|
Mid
|
216
|
Isotopes of helium
|
4,728
|
157
|
List
|
Low
|
217
|
Carbon-12
|
4,713
|
157
|
Start
|
Low
|
218
|
Fermium
|
4,696
|
156
|
GA
|
Mid
|
219
|
Stable nuclide
|
4,653
|
155
|
C
|
Low
|
220
|
Uranium-233
|
4,619
|
153
|
C
|
Low
|
221
|
Post-transition metal
|
4,616
|
153
|
B
|
Low
|
222
|
History of aluminium
|
4,491
|
149
|
FA
|
Low
|
223
|
Austenite
|
4,467
|
148
|
C
|
Low
|
224
|
Nucleosynthesis
|
4,463
|
148
|
C
|
Low
|
225
|
Allotropes of phosphorus
|
4,341
|
144
|
B
|
Low
|
226
|
Isotopes of thorium
|
4,315
|
143
|
List
|
Low
|
227
|
Standard atomic weight
|
4,289
|
142
|
Start
|
High
|
228
|
Helium-4
|
4,288
|
142
|
C
|
Low
|
229
|
Dubnium
|
4,209
|
140
|
FA
|
Mid
|
230
|
Yuri Oganessian
|
4,151
|
138
|
C
|
Mid
|
231
|
Bohrium
|
4,131
|
137
|
GA
|
Mid
|
232
|
Mendelevium
|
4,042
|
134
|
GA
|
Mid
|
233
|
Native metal
|
4,037
|
134
|
C
|
Low
|
234
|
Isotopes of caesium
|
3,964
|
132
|
List
|
Low
|
235
|
Molar ionization energies of the elements
|
3,951
|
131
|
List
|
Low
|
236
|
Electronegativities of the elements (data page)
|
3,948
|
131
|
List
|
Low
|
237
|
Unbiunium
|
3,935
|
131
|
GA
|
Low
|
238
|
Iron in folklore
|
3,931
|
131
|
Start
|
Low
|
239
|
List of elements by stability of isotopes
|
3,881
|
129
|
List
|
Mid
|
240
|
Types of periodic tables
|
3,869
|
128
|
B
|
Low
|
241
|
Natural hydrogen
|
3,784
|
126
|
C
|
Low
|
242
|
Isotopes of oxygen
|
3,733
|
124
|
List
|
Low
|
243
|
Thorium-232
|
3,701
|
123
|
Start
|
Low
|
244
|
Isotopes of xenon
|
3,594
|
119
|
List
|
Low
|
245
|
Isotopes of plutonium
|
3,548
|
118
|
List
|
Low
|
246
|
Isotopes of nitrogen
|
3,539
|
117
|
List
|
Low
|
247
|
Metals of antiquity
|
3,510
|
117
|
Start
|
Low
|
248
|
Superheavy element
|
3,425
|
114
|
C
|
Low
|
249
|
Actinium-225
|
3,372
|
112
|
C
|
Low
|
250
|
List of chemical element name etymologies
|
3,287
|
109
|
List
|
Low
|
251
|
Antihydrogen
|
3,195
|
106
|
C
|
Low
|
252
|
Aluminum
|
3,184
|
106
|
Redirect
|
NA
|
253
|
Isotopes of iron
|
3,178
|
105
|
List
|
Low
|
254
|
Hardnesses of the elements (data page)
|
3,172
|
105
|
List
|
Low
|
255
|
Nuclide
|
3,147
|
104
|
C
|
Low
|
256
|
Isotopes of iodine
|
3,142
|
104
|
List
|
Low
|
257
|
Bismuth-209
|
3,046
|
101
|
B
|
Low
|
258
|
Boron group
|
2,971
|
99
|
B
|
Low
|
259
|
Goldschmidt classification
|
2,923
|
97
|
Start
|
Low
|
260
|
List of countries by silicon production
|
2,869
|
95
|
List
|
Low
|
261
|
Xenon-135
|
2,853
|
95
|
C
|
Low
|
262
|
Toxic heavy metal
|
2,847
|
94
|
C
|
Mid
|
263
|
Mendeleev's predicted elements
|
2,840
|
94
|
C
|
High
|
264
|
Uranium–lead dating
|
2,831
|
94
|
Start
|
Low
|
265
|
Carbon group
|
2,819
|
93
|
C
|
Mid
|
266
|
Unbibium
|
2,815
|
93
|
GA
|
Low
|
267
|
Radium-226
|
2,797
|
93
|
Start
|
NA
|
268
|
Isotopes of tellurium
|
2,791
|
93
|
List
|
Low
|
269
|
Isotopes of neptunium
|
2,765
|
92
|
List
|
Low
|
270
|
Isotopes of cobalt
|
2,747
|
91
|
List
|
Low
|
271
|
Isotopes of sodium
|
2,721
|
90
|
List
|
Low
|
272
|
Carbon-13
|
2,692
|
89
|
C
|
Low
|
273
|
Fluorine-18
|
2,667
|
88
|
C
|
Low
|
274
|
Selenium in biology
|
2,619
|
87
|
C
|
Low
|
275
|
Group 3 element
|
2,575
|
85
|
GA
|
Low
|
276
|
List of chemical elements named after people
|
2,493
|
83
|
List
|
Mid
|
277
|
Helium atom
|
2,476
|
82
|
C
|
Low
|
278
|
Δ13C
|
2,474
|
82
|
C
|
Low
|
279
|
CHNOPS
|
2,451
|
81
|
Start
|
Low
|
280
|
Isobar (nuclide)
|
2,448
|
81
|
Start
|
Low
|
281
|
Isotopes of bismuth
|
2,436
|
81
|
List
|
Low
|
282
|
Isotopes of barium
|
2,394
|
79
|
List
|
Low
|
283
|
Coinage metals
|
2,363
|
78
|
Start
|
Low
|
284
|
Isotopes of gold
|
2,348
|
78
|
List
|
Low
|
285
|
Isotopes of beryllium
|
2,321
|
77
|
List
|
Low
|
286
|
Unbitrium
|
2,314
|
77
|
Redirect
|
Low
|
287
|
Solid nitrogen
|
2,311
|
77
|
C
|
Mid
|
288
|
Technetium-99
|
2,279
|
75
|
C
|
Low
|
289
|
Refractory metals
|
2,274
|
75
|
B
|
Low
|
290
|
Isotopes of polonium
|
2,248
|
74
|
List
|
Low
|
291
|
Isotopes of thallium
|
2,231
|
74
|
List
|
Low
|
292
|
Isotopes of protactinium
|
2,224
|
74
|
List
|
Low
|
293
|
Solid hydrogen
|
2,220
|
74
|
Start
|
Low
|
294
|
Ionization energies of the elements (data page)
|
2,176
|
72
|
List
|
Low
|
295
|
Isotopes of radium
|
2,160
|
72
|
List
|
Low
|
296
|
Uranium-236
|
2,146
|
71
|
C
|
Low
|
297
|
Group 11 element
|
2,111
|
70
|
C
|
Low
|
298
|
Allotropes of sulfur
|
2,103
|
70
|
B
|
Low
|
299
|
Unbihexium
|
2,043
|
68
|
GA
|
Low
|
300
|
Isotopes of boron
|
2,014
|
67
|
List
|
Low
|
301
|
Radon-222
|
2,004
|
66
|
Start
|
Low
|
302
|
Electron affinity (data page)
|
2,003
|
66
|
List
|
Low
|
303
|
Natural uranium
|
1,989
|
66
|
Start
|
Mid
|
304
|
Isotopes of argon
|
1,949
|
64
|
List
|
Low
|
305
|
Muonium
|
1,947
|
64
|
Stub
|
Low
|
306
|
Isotopes of tungsten
|
1,943
|
64
|
List
|
Low
|
307
|
Lanthanide contraction
|
1,910
|
63
|
C
|
Low
|
308
|
Occurrence of thorium
|
1,906
|
63
|
Start
|
Low
|
309
|
Naming of chemical elements
|
1,901
|
63
|
Start
|
Mid
|
310
|
Isotopes of chlorine
|
1,873
|
62
|
List
|
Low
|
311
|
Iridium-192
|
1,865
|
62
|
Start
|
Low
|
312
|
Isotopes of copper
|
1,855
|
61
|
List
|
Low
|
313
|
Uranium-234
|
1,844
|
61
|
Start
|
Low
|
314
|
Isotopes of americium
|
1,831
|
61
|
List
|
Low
|
315
|
Isotopes of tantalum
|
1,815
|
60
|
List
|
Low
|
316
|
Isotopes of mercury
|
1,800
|
60
|
List
|
Low
|
317
|
List of chemical elements named after places
|
1,787
|
59
|
List
|
Mid
|
318
|
Isotopes of samarium
|
1,755
|
58
|
List
|
Low
|
319
|
Yttrium-90
|
1,731
|
57
|
Start
|
Low
|
320
|
Oxygen-18
|
1,730
|
57
|
C
|
Low
|
321
|
Argentium sterling silver
|
1,719
|
57
|
Start
|
Low
|
322
|
Carbon compounds
|
1,714
|
57
|
C
|
Mid
|
323
|
List of CAS numbers by chemical compound
|
1,697
|
56
|
List
|
Low
|
324
|
Isotopes of molybdenum
|
1,685
|
56
|
List
|
Low
|
325
|
Isotopes of krypton
|
1,678
|
55
|
List
|
Low
|
326
|
Valley of stability
|
1,669
|
55
|
B
|
Low
|
327
|
Isotopes of tin
|
1,655
|
55
|
List
|
Low
|
328
|
Isotopes of radon
|
1,651
|
55
|
List
|
Low
|
329
|
Cosmic ray spallation
|
1,650
|
55
|
Stub
|
Low
|
330
|
Melting points of the elements (data page)
|
1,645
|
54
|
List
|
Low
|
331
|
List of nuclides
|
1,643
|
54
|
List
|
Low
|
332
|
Isotopes of zirconium
|
1,602
|
53
|
List
|
Low
|
333
|
Isotopes of sulfur
|
1,597
|
53
|
List
|
Low
|
334
|
Isotopes of potassium
|
1,556
|
51
|
List
|
Low
|
335
|
Nuclear drip line
|
1,556
|
51
|
C
|
Low
|
336
|
Isotopes of calcium
|
1,555
|
51
|
List
|
Low
|
337
|
Isotopes of silicon
|
1,554
|
51
|
List
|
Low
|
338
|
Tin pest
|
1,534
|
51
|
C
|
Low
|
339
|
Group 12 element
|
1,529
|
50
|
GA
|
Low
|
340
|
Iron-56
|
1,527
|
50
|
Start
|
Low
|
341
|
Isotopes of curium
|
1,524
|
50
|
List
|
Low
|
342
|
Trace radioisotope
|
1,516
|
50
|
Stub
|
Low
|
343
|
Isotopes of fluorine
|
1,516
|
50
|
List
|
Low
|
344
|
Isotopes of strontium
|
1,509
|
50
|
List
|
Low
|
345
|
Isotopes of lutetium
|
1,507
|
50
|
List
|
Low
|
346
|
Isotopes of silver
|
1,506
|
50
|
List
|
Low
|
347
|
Fission products (by element)
|
1,492
|
49
|
List
|
Low
|
348
|
Isotopes of rubidium
|
1,489
|
49
|
List
|
Low
|
349
|
Plutonium-240
|
1,473
|
49
|
Start
|
Low
|
350
|
Isotopes of magnesium
|
1,448
|
48
|
List
|
Low
|
351
|
Beryllium-8
|
1,442
|
48
|
Start
|
Low
|
352
|
Absolute dating
|
1,431
|
47
|
C
|
Mid
|
353
|
Boiling points of the elements (data page)
|
1,430
|
47
|
List
|
Low
|
354
|
Main-group element
|
1,421
|
47
|
Start
|
Mid
|
355
|
Isotopes of californium
|
1,405
|
46
|
List
|
Low
|
356
|
Group 4 element
|
1,382
|
46
|
GA
|
Low
|
357
|
Isotopes of palladium
|
1,356
|
45
|
List
|
Low
|
358
|
Isotopes of cadmium
|
1,342
|
44
|
List
|
Low
|
359
|
Isotopic labeling
|
1,340
|
44
|
C
|
Mid
|
360
|
Period 7 element
|
1,330
|
44
|
C
|
Low
|
361
|
Group 8 element
|
1,326
|
44
|
C
|
Low
|
362
|
Aluminium-26
|
1,318
|
43
|
Start
|
Low
|
363
|
Plutonium-244
|
1,310
|
43
|
Start
|
Low
|
364
|
Group 6 element
|
1,308
|
43
|
C
|
Low
|
365
|
Plutonium-241
|
1,305
|
43
|
Start
|
Low
|
366
|
Systematic element name
|
1,301
|
43
|
Start
|
Low
|
367
|
Phosphorus-32
|
1,299
|
43
|
C
|
Low
|
368
|
Group 5 element
|
1,282
|
42
|
GA
|
Low
|
369
|
Isotopes of iridium
|
1,281
|
42
|
List
|
Low
|
370
|
Isotopes of zinc
|
1,281
|
42
|
List
|
Low
|
371
|
Radium-223
|
1,259
|
41
|
C
|
Low
|
372
|
Technetium-99m generator
|
1,258
|
41
|
Start
|
Low
|
373
|
Isotopes of ruthenium
|
1,245
|
41
|
List
|
Low
|
374
|
Isotopes of aluminium
|
1,243
|
41
|
List
|
Low
|
375
|
Speeds of sound of the elements
|
1,239
|
41
|
List
|
Low
|
376
|
Isotopes of gallium
|
1,235
|
41
|
List
|
Low
|
377
|
Properties of metals, metalloids and nonmetals
|
1,231
|
41
|
C
|
Mid
|
378
|
Densities of the elements (data page)
|
1,224
|
40
|
List
|
Low
|
379
|
Isotopes of platinum
|
1,202
|
40
|
List
|
Low
|
380
|
Symbol (chemistry)
|
1,192
|
39
|
Redirect
|
NA
|
381
|
Uranium-232
|
1,186
|
39
|
Stub
|
Low
|
382
|
Vapor pressures of the elements (data page)
|
1,184
|
39
|
List
|
Low
|
383
|
Nitrogen compounds
|
1,182
|
39
|
B
|
Mid
|
384
|
Iodine-125
|
1,180
|
39
|
C
|
Low
|
385
|
Isotopes of titanium
|
1,171
|
39
|
List
|
Low
|
386
|
Period 6 element
|
1,170
|
39
|
C
|
Low
|
387
|
Isotopes of indium
|
1,170
|
39
|
List
|
Low
|
388
|
Dividing line between metals and nonmetals
|
1,158
|
38
|
B
|
Low
|
389
|
Isotopes of astatine
|
1,144
|
38
|
List
|
Low
|
390
|
Isotopes of neon
|
1,143
|
38
|
List
|
Low
|
391
|
Group 7 element
|
1,142
|
38
|
B
|
Low
|
392
|
Period 2 element
|
1,140
|
38
|
B
|
Low
|
393
|
Cosmogenic nuclide
|
1,139
|
37
|
Start
|
Low
|
394
|
Light metal
|
1,138
|
37
|
Stub
|
Low
|
395
|
Synthetic radioisotope
|
1,133
|
37
|
Start
|
Mid
|
396
|
Isotopes of germanium
|
1,129
|
37
|
List
|
Low
|
397
|
Isotopes of technetium
|
1,125
|
37
|
List
|
Low
|
398
|
Fluorine compounds
|
1,123
|
37
|
B
|
Low
|
399
|
History of fluorine
|
1,119
|
37
|
B
|
Low
|
400
|
Isotopes of actinium
|
1,117
|
37
|
List
|
Low
|
401
|
Isotopes of rhenium
|
1,101
|
36
|
List
|
Low
|
402
|
Iodine-123
|
1,095
|
36
|
C
|
Low
|
403
|
Isotopes of francium
|
1,093
|
36
|
List
|
Low
|
404
|
Isotopes of phosphorus
|
1,091
|
36
|
List
|
Low
|
405
|
Free element
|
1,083
|
36
|
Stub
|
Low
|
406
|
Isotopes of hafnium
|
1,076
|
35
|
List
|
Low
|
407
|
Gold compounds
|
1,068
|
35
|
B
|
Low
|
408
|
Krypton-85
|
1,066
|
35
|
C
|
Low
|
409
|
Isotopes of antimony
|
1,063
|
35
|
List
|
Low
|
410
|
Diagonal relationship
|
1,062
|
35
|
Start
|
Low
|
411
|
Commonly used gamma-emitting isotopes
|
1,058
|
35
|
C
|
Low
|
412
|
Isotopes of neodymium
|
1,057
|
35
|
List
|
Low
|
413
|
Xenon compounds
|
1,051
|
35
|
B
|
Low
|
414
|
Isotopes of europium
|
1,048
|
34
|
List
|
Low
|
415
|
Isotopes of bromine
|
1,047
|
34
|
List
|
Low
|
416
|
Isotopes of chromium
|
1,039
|
34
|
List
|
Low
|
417
|
Oxygen-16
|
1,035
|
34
|
Stub
|
Mid
|
418
|
Sulphur
|
1,034
|
34
|
Redirect
|
NA
|
419
|
Isotopes of osmium
|
1,032
|
34
|
List
|
Low
|
420
|
Periodic table (crystal structure)
|
1,024
|
34
|
List
|
Low
|
421
|
Albert Ghiorso
|
1,005
|
33
|
C
|
Mid
|
422
|
Period 4 element
|
1,001
|
33
|
C
|
Low
|
423
|
Isotopes of manganese
|
999
|
33
|
List
|
Low
|
424
|
Period 3 element
|
998
|
33
|
C
|
Low
|
425
|
Iodine-129
|
992
|
33
|
C
|
Low
|
426
|
Tho-Radia
|
990
|
33
|
C
|
Low
|
427
|
Continent of stability
|
972
|
32
|
Stub
|
Low
|
428
|
Gold-198
|
971
|
32
|
Start
|
Low
|
429
|
Gold parting
|
967
|
32
|
B
|
Low
|
430
|
Chemical elements in East Asian languages
|
965
|
32
|
Start
|
Low
|
431
|
D-block
|
961
|
32
|
Redirect
|
NA
|
432
|
Isotopes of niobium
|
956
|
31
|
List
|
Low
|
433
|
Transfermium Wars
|
951
|
31
|
Start
|
Low
|
434
|
Isotopes of gadolinium
|
951
|
31
|
List
|
Low
|
435
|
Stable isotope ratio
|
948
|
31
|
Start
|
Low
|
436
|
Behavior of nuclear fuel during a reactor accident
|
944
|
31
|
C
|
Low
|
437
|
Isotopes of selenium
|
942
|
31
|
List
|
Low
|
438
|
Tellurium-128
|
941
|
31
|
Redirect
|
NA
|
439
|
Monoisotopic element
|
936
|
31
|
C
|
Low
|
440
|
Group 10 element
|
931
|
31
|
C
|
Low
|
441
|
Period 1 element
|
916
|
30
|
GA
|
Low
|
442
|
Sulfur compounds
|
914
|
30
|
Start
|
Mid
|
443
|
Names for sets of chemical elements
|
903
|
30
|
List
|
Low
|
444
|
Period 5 element
|
901
|
30
|
C
|
Low
|
445
|
Iron compounds
|
892
|
29
|
B
|
Mid
|
446
|
Nickel-62
|
890
|
29
|
Start
|
Low
|
447
|
Beryllium-10
|
887
|
29
|
Start
|
Low
|
448
|
Copper-64
|
881
|
29
|
C
|
Low
|
449
|
Group 9 element
|
873
|
29
|
C
|
Low
|
450
|
Abundances of the elements (data page)
|
868
|
28
|
List
|
Low
|
451
|
Isotopes of promethium
|
856
|
28
|
List
|
Low
|
452
|
Periodic Videos
|
851
|
28
|
Start
|
Low
|
453
|
Cesium
|
850
|
28
|
Redirect
|
NA
|
454
|
Copper compounds
|
842
|
28
|
C
|
Mid
|
455
|
Delftia acidovorans
|
832
|
27
|
Start
|
Low
|
456
|
Isotopes of yttrium
|
831
|
27
|
List
|
Low
|
457
|
F-block
|
822
|
27
|
Redirect
|
NA
|
458
|
Isotopes of oganesson
|
822
|
27
|
List
|
Low
|
459
|
Isotopes of ytterbium
|
821
|
27
|
List
|
Low
|
460
|
Element collecting
|
821
|
27
|
C
|
Low
|
461
|
List of chemical element naming controversies
|
818
|
27
|
List
|
Low
|
462
|
Unbiquadium
|
808
|
26
|
GA
|
Low
|
463
|
Isotopic signature
|
790
|
26
|
Start
|
Low
|
464
|
Isotopes of lanthanum
|
787
|
26
|
List
|
Low
|
465
|
Iron-55
|
784
|
26
|
C
|
Low
|
466
|
Isotopes of rhodium
|
782
|
26
|
List
|
Low
|
467
|
Isotopes of dysprosium
|
772
|
25
|
List
|
Low
|
468
|
Neptunium-237
|
769
|
25
|
Redirect
|
NA
|
469
|
Caesium-133
|
761
|
25
|
Redirect
|
NA
|
470
|
Isotopes of vanadium
|
735
|
24
|
List
|
Low
|
471
|
Isotopes of cerium
|
726
|
24
|
List
|
Low
|
472
|
Zinc compounds
|
709
|
23
|
C
|
Mid
|
473
|
Oxygen-17
|
708
|
23
|
Start
|
Low
|
474
|
Bone seeker
|
706
|
23
|
Stub
|
Low
|
475
|
Isotopes of livermorium
|
704
|
23
|
List
|
Low
|
476
|
Isotopes of scandium
|
697
|
23
|
List
|
Low
|
477
|
List of countries by palladium production
|
690
|
23
|
List
|
Low
|
478
|
Protonium
|
684
|
22
|
Start
|
Low
|
479
|
Calcium-48
|
681
|
22
|
Start
|
Low
|
480
|
Silver certificate
|
666
|
22
|
Start
|
Low
|
481
|
Allotropes of plutonium
|
663
|
22
|
Start
|
Low
|
482
|
Silver compounds
|
658
|
21
|
B
|
Mid
|
483
|
Electrical resistivities of the elements (data page)
|
657
|
21
|
List
|
Low
|
484
|
Isotopes of holmium
|
657
|
21
|
List
|
Low
|
485
|
Aluminium compounds
|
652
|
21
|
B
|
Low
|
486
|
Tungsten-180
|
649
|
21
|
Redirect
|
NA
|
487
|
Ausenium and hesperium
|
648
|
21
|
Start
|
Low
|
488
|
Isotopes of flerovium
|
644
|
21
|
List
|
Low
|
489
|
Plutonium-242
|
642
|
21
|
Start
|
Low
|
490
|
Isotopes of copernicium
|
639
|
21
|
List
|
Low
|
491
|
Lead compounds
|
637
|
21
|
B
|
Mid
|
492
|
Helion (chemistry)
|
628
|
20
|
Stub
|
Low
|
493
|
Lithium atom
|
625
|
20
|
Stub
|
Low
|
494
|
Isotopes of terbium
|
624
|
20
|
List
|
Low
|
495
|
Mercury cycle
|
623
|
20
|
C
|
Low
|
496
|
Chlorine-36
|
617
|
20
|
Start
|
Low
|
497
|
Indium-111
|
613
|
20
|
Start
|
NA
|
498
|
Chromium compounds
|
612
|
20
|
B
|
Mid
|
499
|
Silicon compounds
|
610
|
20
|
B
|
Mid
|
500
|
Hard carbon
|
610
|
20
|
Stub
|
Low
|