Atomic Theory

This article is intended to support reading in the content area. The article provides a chronological description of the development of the atomic theory. Beginning with debates by Greek philosophers in the sixth century B.C., the various beliefs about atoms are explained. For around 2000 years, the subject lay dormant, until John Dalton developed his atomic theory in the 1800s. Delving into tests of Dalton's theory, the author explains how scientists, over time, developed what we now know as the modern day atomic theory.
Resource ID#: 70174 Type: Text Resource
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Direct Link: http://www.scienceclarified.com/As-Bi/Atomic-Theory.html

General Information

Subject(s): English Language Arts, Science
Grade Level(s): 8
Intended Audience: Educators educators
Resource supports reading in content area:Yes
Freely Available: Yes
Keywords: atom, molecule, proton, neutron, electron, Dalton, theory, Bohr, Thomson, model, nucleus, alpha particle, informational text, text complexity
Instructional Component Type(s): Text Resource
Resource Collection: STEM Reading Resources

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