Development of the Periodic Table

Development of the Periodic Table Photo Credit: Clipart.com


You should use the Visual Elements: Development of the Periodic Table resource to answer these questions about the role of the periodic table in the development of modern atomic theory.

The Development of the Periodic Table: Introduction

In what sense did Mendeleev’s periodic table follow “a natural plan”?



How does the periodic table classify elements today?



How was the work of Stanislao Cannizzaro significant in the development of the periodic table?



Alexandre-Emile Béguyer de Chancourtois

What was de Chancourtois trying to accomplish with his “Telluric Screw”? What was its limitation?



John Newlands

How were Newland’s findings both similar to and different from Mendeleev’s?



What does the early criticism of Newland’s Law of Octaves tell you about the nature of the international scientific community?



Julius Lothar Meyer

How did Julius Lothar Meyer contribute to periodic development?



Dmitri Mendeleev

What is unique about Mendeleev’s personal history?



Why would Mendeleev (and other scientists) wish to arrange chemical elements in “a systematic way”? What was he (and others) ultimately trying to achieve and advance scientifically?



In what sense did Mendeleev discover “a fundamental pattern of nature”?



What was truly groundbreaking about his work and methods?



What is significant about the discovery of isotopes?



What kinds of difficulties and errors did Mendeleev encounter in his work?



In what sense was Mendeleev (like all scientists) limited scientifically by the period in which he lived? How did he try to surpass these limitations?




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