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Chemistry
Atomic Theory III
The 20th century was a period rich in advancing our knowledge of quantum mechanics, shaping...
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Math in Science
Scientific Notation
The blue whale weighs approximately 190,000 kilograms, while a plankton weighs just 0.5 milligrams—a difference...
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Chemistry
Chemical Equations
Chemical equations are an efficient way to describe chemical reactions. This module explains the shorthand...
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