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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.
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History of the periodic table - Wikipedia

en.wikipedia.org/wiki/History_of_the_periodic_table

The periodic table is an arrangement of the chemical elements, organized on the basis of their .... However, when this entire family of elements was discovered, Sir William Ramsay was able to add th...

Periodic table history - Lenntech

www.lenntech.com/periodic/history/history-periodic-table.htm

In 1869 Russian chemist Dimitri Mendeleev started the development of the periodic table, arranging chemical elements by atomic mass. He predicted the ...

Periodic Table: History - Royal Society of Chemistry

www.rsc.org/periodic-table/history

The Royal Society of Chemistry brings you the history of the elements and the periodic table: Explore each element to find out about its discovery and the ...

History of the Periodic Table

www.hobart.k12.in.us/ksms/PeriodicTable/history.htm

The Periodic Table of Elements is a chart created by Dmitri Mendeleev in 1869 to help organize the elements that had been discovered at that time. First we ...

Development of the periodic table - Royal Society of Chemistry

www.rsc.org/periodic-table/history/about

History > Development of the periodic table ... Ask most chemists who discovered the periodic table and you will almost certainly get the answer Dmitri ...

History of the Periodic Table - Western Oregon University

www.wou.edu/las/physci/ch412/perhist.htm

A BRIEF HISTORY OF THE DEVELOPMENT OF PERIODIC TABLE. Although Dmitri ... By 1869, a total of 63 elements had been discovered. As the number of ...

Potassium»historical information [WebElements Periodic Table]

www.webelements.com/potassium/history.html

This WebElements periodic table page contains historical information for the element ... Potassium was discovered by Sir Humphrey Davy at 1807 in England.

Development of the periodic table | Sciencelearn Hub

sciencelearn.org.nz/Contexts/Just-Elemental/Looking-Closer/Development-of-the-periodic-table

Oct 21, 2009 ... At present, 116 elements have been discovered – the first scientific discovery of an element occurred in 1649.

The Evolution of the Periodic System - Scientific American

www.scientificamerican.com/article/the-evolution-of-the-periodic-system/

Jan 21, 2011 ... From its origins some 200 years ago, the periodic table has become a vital ... Throughout its long history, the periodic table has been disputed, ...