Periodic table of the elements
NeptuniumPlutoniumAmericium
94
Pu
Plutonium
(244)
2
8
18
32
24
8
2
94
Pu
Plutonium
(244)
2
8
18
32
24
8
2
General
NamePlutonium
SymbolPu
Number94
Chemical seriesActinides
Group / Period0 / 7
Blockf-block
CAS registry number7440-07-5

Plutonium is a radioactive element

Physical properties
Statesolid
Density19.816 g/cm3
Melting point912.5 K (639.4 °C, 1182.9 °F)
Boiling point3505 K (3228 °C, 5842 °F)
Critical point

Atomic properties
Atomic Weight(244) g/mol
Crystal structuremonoclinic
Electronegativity1.28
Atomic radius175 pm
Atomic radius (calculated)
Electron configuration[Rn] 5f6 7s2
Electrons per shell2, 8, 18, 32, 24, 8, 2
Number of protons94
Number of neutrons150

Other languages
SpanishPlutonio
PortuguesePlutónio
FrenchPlutonium
GermanPlutonium
ItalianPlutonio
RussianПлутоний
PolishPluton
Chinese
Arabicبلوتونيوم
TurkishPlütonyum
DutchPlutonium


Periodic table of the elements
NeptuniumPlutoniumAmericium