-- card: 38775 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 14320
-- name: Pu


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Pu

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Plutonium

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94

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(244)

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19.84

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641

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3232

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+3,+4,+5,+6

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(Planet Pluto) Synthesized by Seaborg, McMillan, Kennedy and Wahl in 1940 by deuteron bombardment of uranium in a cyclotron (device used to accelerate atomic particles) at Berkely, California. Found in trace quantities in uranium ores. Available from the Atomic Energy Commission. A relatively large piece of plutonium in warm to the touch due to radiation, and very large pieces can boil water.

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rare earth metal, radioactive, 15 isotopes, silvery, yellow tarnish when exposed to air, reactive, radiological hazard, dissolves in certain acids, 6 allotropic forms, heavy alpha emitter, emissions can be absorbed into bone marrow, must be handled with special equipment

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explosive ingredient in nuclear weapons

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Electron Configuration:

1s  2s  2p  3s  3p  3d  4s  4p  4d  4f  5s  5p  5d  5f  6s  6p  6d  6f  7s 
 2   2    6    2    6   10   2   6  10  14  2    6  10    6    2   6              2