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    Pu

    Plutonium

    Actinide

    Atomic Number: 94 • Atomic Mass: 244.0000 u • Period: 7 • Group: 102

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f⁶
    Phase: Solid
    Electronegativity: 1.28
    Neptunium (Np)Americium (Am)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Plutonium is the chemical element with the symbol Pu and atomic number 94. It belongs to the Actinide group and is located in period 7 of the periodic table. It exists as a solid under standard conditions.

    Basic Information

    • Symbol:Pu
    • Atomic Number:94
    • Atomic Mass:244.0000 u
    • Group:102
    • Period:7
    • Category:Actinide
    • Phase at STP:Solid
    • Electronegativity:1.28 (Pauling scale)

    Key Facts

    Fun Fact #1

    Named after planet Pluto

    Fun Fact #2

    Can be warm to touch due to radioactive decay

    Common Uses

    • Nuclear weapons
    • Spacecraft power
    • Nuclear reactors