Mercury
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Mercury is the only metal that is a liquid at room temperature. Mercury's chemical symbol is Hg. The Hg comes from the Greek word hydrargyrum, which means liquid silver. Because of its silvery appearance and the way it moves, the metal was also called quicksilver. The chemical is named for the Roman god, Mercury, who was known for his speed and mobility. Students will learn about the sources of mercury and its effects on the environment; coal-burning power plants are responsible for nearly 40 percent of the human-caused mercury emissions in the United States. They'll learn about mercury's chemical properties and classification as a transition metal. Mercury's place on the periodic table and its subatomic particles are also discussed. Readers will study mercury ions and isotopes. This book also explains the element's applications in thermometers, thermostats, silent wall switches, fluorescent lights, and dental amalgams.
Format:Library Binding
Language:English
ISBN:1404217800
ISBN13:9781404217805
Release Date:August 2008
Publisher:Rosen Central
Length:48 Pages
Weight:0.44 lbs.
Dimensions:0.4" x 7.8" x 10.4"
Age Range:10 to 13 years
Grade Range:Grades 5 to 8
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