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The columns on the periodic table of elements are called groups. The elements in a group share the same configuration of valence electrons, which gives the elements similar chemica...

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:

Periodic table


The number of possible elements is not known. A very early suggestion made by Elliot Adams ...

Dynamic Periodic Table


Interactive periodic table with dynamic layouts showing names, electrons, oxidation, trend visualization, orbitals, isotopes, and ... Periodic Table of Elements.

Unless otherwise noted, these element photos are public domain images that you may save and use. Photos are unavailable for many of the extremely rare man-made radioactive elements. Be sure to visit the standard Periodic Table of the Elements if you need detailed elem... More »
By Anne Marie Helmenstine, Ph.D., About.com Guide

Periodic Table of Elements: Los Alamos National Laboratory


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

Chemical Elements.com - An Interactive Periodic Table of the ...


View an interactive periodic table that has information for all 109 elements.

It's Elemental - The Periodic Table of Elements


[Detailed data] Interactive periodic table. Including melting point, density, element history and crustal and oceanic abundance.

Visual Elements Periodic Table - Royal Society of Chemistry


Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information.

The Photographic Periodic Table of the Elements


The definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical elements.

Popular Q&A
Q: Why is there no A in the periodic table of elements.
A: Because A doesn't stand for anything. Read More »
Source: www.answers.com
Q: What is the periodic table of elements?
A: An arrangement of all the known elements in an informative array. They are arranged left to right, top to bottom by atomic mass. A tabular arrangement of the ch... Read More »
Source: www.chacha.com
Q: What is S in the periodic table of elements
A: S is for sulphur. Sulphur is found in meteorites, volcanoes, hot sp... ...MORE... Read More »
Source: www.chacha.com
Q: What IS the Periodic Table of elements?
A: The periodic chart is like the bible of chemistry. It's the most important reference in chemistry because it arranges all the elements in an easy to read chart.... Read More »
Source: www.kidzworld.com
Q: What is the periodic table of elements?
A: Table that organizes and categorizes the basic elements (lowest possible forms of matter) by the number of protons in the nucleus of the element's atom. As some... Read More »
Source: answers.yahoo.com