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Level 30 Chemistry

Videos are listed chronologically by date added, beginning with the most recent

The Selenium Solution

This video features a project involving scientists Dr. Ingrid Pickering, Dr. Graham George and a team of cross-disciplinary researchers who investigated the link between arsenic and selenium, two elements on the periodic table that appear to cancel each other out. Arsenic is naturally present in ...

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The Periodic Table

Starting with an overview of the periodic table and its historical development, this program includes the origin of the symbols and the definitions of atomic number and mass. The program examines the existence of different groups within the table and why they occur. Students will look at typical ...