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The Periodic Table of Elements
Dmitri Mendeleev generally is credited with the creation of the first periodic table, which charts the chemical elements by atomic number and valence shell electron configuration.
Browse Elements:

en.wikipedia.org/wiki/Periodic_table

The two variants originate from historical difficulties in placing the lanthanides in the periodic table, ...

www.ptable.com/?lang=en

Interactive periodic table with dynamic layouts showing names, electrons, ... For elements with no stable isotopes, the mass number of the isotope with the ...

periodic.lanl.gov

The Chemistry Division's Periodic Table describes the history, properties, resources, uses, isotopes, forms, costs, and other information for each element.

www.lenntech.com/periodic/periodic-chart.htm

The interactive periodic table of elements - chemical data, health and environmental effects presented in five languages.

education.jlab.org/itselemental

The Periodic Table of Elements. Table of Elements. Download a printable version of the Periodic Table of Elements in PDF format: Color versions: Basic / ...

www.lenntech.com/periodic/number/atomic-number.htm

Chemical elements listed by atomic number. The elements of the periodic table sorted by atomic number. click on any element's name for further chemical ...

www.chemicool.com

Award winning periodic table, with user-friendly element data and facts. Cool, online chemistry videos, dictionary, tools and forum.

www.brainpop.com/science/matterandchemistry/periodictableofelements

In this educational animated movie about Science learn about atoms, protons, neutrons, electrons, atomics, nonmetals, semimetals, and alkali.

www.nist.gov/pml/periodic-table-elements

Jul 30, 2009 ... Version History | DisclaimerR.A. Dragoset, A. Musgrove, C.W. Clark, and W.C. MartinNIST, Physical Measurement Laboratory A periodic table, ...