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WebElementsTM Periodic table (professional edition)

See also: WebElements Scholar Edition - for chemistry and other students at universities and schools.

Select an element from the periodic table.
Group 1 2   3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
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		 * 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		 ** 103
Lr		 104
Rf		 105
Db		 106
Sg		 107
Bh		 108
Hs		 109
Mt		 110
Uun		 111
Uuu		 112
Uub		 113
Uut		 114
Uuq		 115
Uup		 116
Uuh		 117
Uus		 118
Uuo
 
*Lanthanoids * 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
**Actinoids ** 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

Notes

  • Bookmark this address: http://www.webelements.com/
  • the first ever periodic table on the WWW
  • Author: Mark Winter [Department of Chemistry, University of Sheffield, England]
  • Royal Society of Chemistry 1998 HE Teaching Award winner
  • 45 million page views in the last 12 months
  • WebElements aims to be a high quality source of chemistry information on the WWW relating to the periodic table. Coverage is such that professional scientists and students at school interested in chemistry and other sciences will all find something useful.
  • The WebElements Scholar edition is designed for students at universities and schools.
  • You will find thousands of graphics showing elements structures and periodic properties here.
  • Currently, most information is about the elements themselves but the scope of WebElements will include simple compounds as well as more chemistry information in the future.
  • Note that elements 113, 115, and 117 are not known, but are included in the table to show their expected positions. Elements 114, 116, and 118 have only been reported recently.
  • The team of Berkeley Lab scientists that announced two years ago (1999) the observation of what appeared to be Element 118 (heaviest undiscovered transuranic element at the time) has retracted its original paper after several confirmation experiments failed to reproduce the results. This means that the pages for element 118 and parts of the data for element 116 are wrong. Please see this page for more details.

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WebElements is the periodic table on the WWW

WebElementsTM, the periodic table on the WWW, URL: http://www.webelements.com/
Copyright 1993-2002 Mark Winter [The University of Sheffield and WebElements Ltd, UK]. All rights reserved.
Document served: Sunday 25th August, 2002