Atomic Number of Plutonium

Plutonium Atomic Number

Atomic Number of Plutonium is 94.

Chemical symbol for Plutonium is Pu. Number of protons in Plutonium is 94. Atomic weight of Plutonium is 244 u or g/mol. Melting point of Plutonium is 641 °C and its the boiling point is 3327 °C.

» Boiling Point » Melting Point » Abundant » State at STP » Discovery Year

About Plutonium

Plutonium is one of the actinides discovered in the middle of the last century by a group of American scientists. It is a radioactive silvery and shiny metal, highly toxic and dangerous to living organisms. It was named after the planet Pluto, which used to be considered to be a part of the Solar System in those times. Plutonium can be obtained by irradiation of uranium in terms of nuclear reactions. Along with uranium, plutonium is used as the basic element for nuclear reaction initiation. This radioactive chemical element is used for making very powerful explosives and nuclear weapons.

Properties of Plutonium Element

Atomic Number (Z)94
Atomic SymbolPu
Atomic Weight244 u
Density19.84 g/cm3
Melting Point (K)912.5 K
Melting Point (℃)641 °C
Boiling Point (K)3501 K
Boiling Point (℃)3327 °C
Heat Capacity
Abundance≤ 3×10−11 mg/kg
State at STPSolid
Electronegativity (Pauling) χ1.28
Ionization Energy (eV)6.0262
Atomic Radius175pm
Covalent Radiusno datapm
Valence Electrons2
Year of Discovery1940

What is the Boiling Point of Plutonium?

Plutonium boiling point is 3327 °C. Boiling point of Plutonium in Kelvin is 3501 K.

What is the Melting Point of Plutonium?

Plutonium melting point is 641 °C. Melting point of Plutonium in Kelvin is 912.5 K.

How Abundant is Plutonium?

Abundant value of Plutonium is ≤ 3×10−11 mg/kg.

What is the State of Plutonium at Standard Temperature and Pressure (STP)?

State of Plutonium is Solid at standard temperature and pressure at 0℃ and one atmosphere pressure.

When was Plutonium Discovered?

Plutonium was discovered in 1940.