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ChemistryThe Periodic Table of Elements IV
Chemical families are groups of elements that are located near each other on the periodic...
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ChemistryProperties of Gases
This module describes the properties of gases and explores how these properties relate to a...
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Math in ScienceScientific Notation
The blue whale weighs approximately 190,000 kilograms, while a plankton weighs just 0.5 milligrams—a difference...
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