Learn about the Arrhenius Theory as well as the holes in the theory with a video introduces the Bronsted-Lowry Theory and details the relationships with ions and protons. 

Concepts

acids and bases, alkalies, ions, ph, protons

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Additional Tags

science

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Instructional Ideas

• Research Johannes Nicolaus Bronsted and Thomas Martin Lowry
• Create a few practice problems to identify which substances are acting as acids and bases in various chemical equations

Classroom Considerations

• Prior knowledge of the Arrhenius Theory is helpful
• Video is the fifth in a 21 part series

Pros

• Includes a definition of amphoteric
• Provides one question of guided practice

Cons

• None

Common Core

RST.9-10.4 RST.11-12.4