Examlex
Meteorologists have grouped air masses into this number of major categories.
Ozone
A molecule composed of three oxygen atoms, known for its role in the Earth's stratosphere where it absorbs and protects living organisms from the sun's harmful ultraviolet radiation.
Resonance Structure
Different Lewis Dot Structures that represent the same molecule, indicating delocalized electrons within the molecule.
Nitrite Ion
A polyatomic ion with a chemical formula of NO2-, commonly found in some foods and the environment, and known for its role in biological processes.
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