WHAT'S INSIDE: PHYSICAL SCIENCE

Physical science is the study of the physical world around you. Learn about everything from electricity to magnetism in this section.
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  • Chemistry
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  • History of Physical Science
  • Magnetism
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FEATURED: PHYSICAL SCIENCE

Nitro Compound, an organic compound that contains one or more nitro groups. (A nitro group consists of three atoms—one of nitrogen and two of oxygen—that act as one.) Nitro compounds may be liquids or solids.

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