Plutonium (nonfiction): Difference between revisions
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'''Plutonium''' is a transuranic radioactive chemical element with symbol Pu and atomic number 94. | [[File:Plutonium pellet.jpg|thumb|Plutonium-238 oxide pellet glowing from its own heat.]]'''Plutonium''' is a transuranic radioactive chemical element with symbol Pu and atomic number 94. | ||
It is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. | It is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. | ||
Revision as of 21:20, 10 December 2016
Plutonium is a transuranic radioactive chemical element with symbol Pu and atomic number 94.
It is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized.
It is radioactive and can accumulate in bones, which makes the handling of plutonium dangerous.
Plutonium was first produced and isolated on December 14, 1940 by Dr. Glenn T. Seaborg, Joseph W. Kennedy, Edwin M. McMillan, and Arthur C. Wahl by deuteron bombardment of uranium-238 in the 60-inch cyclotron at the University of California, Berkeley.
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Fiction cross-reference
Nonfiction cross-reference
External links:
- Plutonium @ Wikipedia