94 Pu Plutonium 244.0 u

Plutonium

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Period
7
Group
—
Block
f-block
Phase (STP)
Solid

Plutonium is a radioactive actinide used in nuclear weapons and reactors. It is the most complex metal known, with six allotropes.

Physical Properties

Atomic Mass 244.0 u
Phase at STP Solid

Electronic Properties

Electronegativity 1.28

Electron Configuration

Configuration [Rn] 5f⁶ 7s²

Electron Shell Configuration

Plutonium electron shell configuration Pu 2e⁻ 8e⁻ 18e⁻ 32e⁻ 24e⁻ 8e⁻ 2e⁻

Position in Periodic Table

Plutonium position in the periodic table Pu

Block & Period

Block

s p d f

Period

1 2 3 4 5 6 7

Periodic Table

Lanthanides Actinides

Reactions Involving Pu

Neutron Capture by Uranium-238

²³⁸U + ¹n → ²³⁹U → ²³⁹Np → ²³⁹Pu

Nuclear

Plutonium-239 Fission

²³⁹Pu + ¹n → ¹³⁴Xe + ¹⁰³Zr + 3¹n

Nuclear

Compounds Containing Plutonium

Plutonium Dioxide

PuO₂

More Actinide

89 Ac Actinium 90 Th Thorium 91 Pa Protactinium 92 U Uranium 93 Np Neptunium 95 Am Americium 96 Cm Curium 97 Bk Berkelium 98 Cf Californium 99 Es Einsteinium

Frequently Asked Questions

What is Plutonium?
Plutonium (Pu) is a chemical element with atomic number 94. It is a solid at standard temperature and pressure, classified as a actinide.
What are the key properties of Plutonium?
Plutonium has an atomic mass of 244.0 u.
What is the electron configuration of Plutonium?
The electron configuration of Plutonium is [Rn] 5f6 7s2. It is in the f-block of the periodic table.
What is the electronegativity of Plutonium?
Plutonium has an electronegativity of 1.28 on the Pauling scale.