GOB Chemistry

Learn the toughest concepts covered in your GOB - General, Organic, and Biological Chemistry class with step-by-step video tutorials and practice problems.

Atoms and the Periodic Table

Atomic Theory

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John Dalton, one of the "Fathers of Chemistry"is credited with modernizing the Atomic Theory.

The Modern Atomic Theory

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concept

Atomic Theory

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example

Atomic Theory Example 1

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Problem

Which of the following is NOT a component of Dalton’s Atomic Theory?

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Problem

Dalton used the lightest element as his standard for atomic mass. What is this element?