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A naturally radioactive element of the actinide metals series. It has the atomic symbol Pu, and atomic number 94. Plutonium is used as a nuclear fuel, to produce radioisotopes for research, in radionuclide batteries for pacemakers, and as the agent of fission in nuclear weapons.

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Tree Number(s): D01., D01.268.556.700, D01.496.749.305.100.700, D01.552.020.734, D01.552.544.700

MeSH Unique ID: D011005

Registry Number: 53023GN24M

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