Uploaded November 2016 | Updated September 2026, 5 minutes ago
Mr. Key works through thousands of years of atomic theory, from Democritus to Chadwick. This video is meant to provide an introduction and overview of atomic theory, and is suitable for grades 9-12.
Please note that all questions, comments and critiques are welcome. However, because the primary purpose of these videos is educational for students/educators, the comments are moderated. Any comments that are deemed abusive, inappropriate, or unrelated to the topic matter will not be posted and the user potentially blocked.
Mr. Key works through thousands of years of atomic theory, from Democritus to Chadwick. This video is meant to provide an introduction and overview of atomic theory, and is suitable for grades 9-12.
Please note that all questions, comments and critiques are welcome. However, because the primary purpose of these videos is educational for students/educators, the comments are moderated. Any comments that are deemed abusive, inappropriate, or unrelated to the topic matter will not be posted and the user potentially blocked.
