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PLUTONIUM
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Atomic Symbol |
Pu |
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Atomic Weight |
(244.0642) |
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Atomic Number |
94 |
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Electron Configuration |
2-8-18-32-24-8-2 |
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Oxidation States |
+3, +4, +5, +6
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State of Matter |
Synthetic heavy metal-ductile |
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Boiling Point |
3235 °C |
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Melting Point |
639.5 °C |
HISTORY,
BACKGROUND & USES:
Discovered in 1940 by Glenn T. Seaborg, Edwin M. McMillian,
Joseph W. Kennedy, and Arthur C. Wahl. Plutonium is a radioactive, silvery colored metal that is used
in nuclear reactors (fuel) and nuclear weapons. It is warm from
alpha decay. It takes on yellow tarnish in air. Plutonium and
elements of higher atomic number are radiological poisons because
of high alpha emission and specific absorption in bone marrow.
It has six allotropic forms.
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