plutonium

**Element Name:Plutonium** **Element Symbol:** Pu **Atomic Number:** 94 **Most Common Mass Number:** 244 **Physical State at Room Temperature:** solid at 298 **Meaning of the Element's Name or Latin/Greek Name:** named from "The Planet Pluto" **Uses of the Element:** > **Biological Importance of the Element:** No biological uses > **Who Discovered the Element:** Glenn T. Seaborg, J. W. Kennedy, E. M. McMillan, A. C. > **How the Element was Discovered:** it was synthesized by deuteron bombardment of uranium in a cyclotron > **Physical Properties of the Element:** Color:silvery-white, metallic > Melting point: 912.5 [or 639.4 °C (1182.9 °F)] K > Boiling point: 3503 [or 3230 °C (5846 °F)] K (liquid range: 2590.5 K > **Chemical Properties of the Element:** > **Common Compounds of the Element, if any:** halides, oxides, hydrides > **Common Ions of the Element, if any: ** > **Isotopes of the Element:** Naturally occuring isotopes
 * nuclear weapons
 * source of nuclear power
 * pacemakers