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pr *
  • WebElements
  • www.webelements.com
  • This is the home page of WebElements, the periodic table of the elements. It has NMR data toward the bottom left of each element page.
4.5
(si*)
>120
7
4.4
(1)
>10
7
4.4
(si*)
>230
6
  • The Elements
  • www.periodictable.com
  • Pictorial version of the periodic table including technical data, photographs and descriptions of thousands of minerals.
4.4
(si*)
>530
6
  • ChemicalElements.com
  • www.chemicalelements.com
  • Provides information on the 109 named elements plus elements 110 - 112.
4.3
(si*)
>40
6
  • Periodic Table of the Elements
  • www.periodni.com
  • Available in 6 languages. Provides information on each element, crystallographic data, physical properties, thermal properties, ionization energies, abundance, isotopes and reduction potentials.
4.2
(si*)
>20
5
  • Table of the Nuclides
  • atom.kaeri.re.kr
  • [Nuclide data only, very extensive listing of nuclides] Map of all known nuclides, with their atomic mass, radioactive decay modes and half-lives, and related information. Brookhaven National Laboratory.
4.0
(si*)
>20
6
4.0
(si*)
<5
6
3.6
(si*)
-
2
  • The Periodic Table
  • www.periodic-table.org.uk
  • Features an interactive table based on the IOUPAC 1985 standard.
3.4
(si*)
-
3
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