Periodic table of the elements
AmericiumCuriumBerkelium
96
Cm
Curium
(247)
2
8
18
32
25
9
2
96
Cm
Curium
(247)
2
8
18
32
25
9
2
General
NameCurium
SymbolCm
Number96
Chemical seriesActinides
Group / Period0 / 7
Blockf-block
CAS registry number7440-51-9

Curium is a radioactive element

Physical properties
Statesolid
Density13.5 g/cm3
Melting point1613 K (1340 °C, 2444 °F)
Boiling point3383 K (3110 °C, 5630 °F)
Critical point

Atomic properties
Atomic Weight(247) g/mol
Crystal structurehexagonal close-packed
Electronegativity1.28
Atomic radius
Atomic radius (calculated)
Electron configuration[Rn] 5f7 6d1 7s2
Electrons per shell2, 8, 18, 32, 25, 9, 2
Number of protons96
Number of neutrons151

Other languages
SpanishCurio
PortugueseCúrio
FrenchCurium
GermanCurium
ItalianCurio
RussianКюрий
PolishKiur
Chinese
Arabicكوريوم
TurkishKüriyum
DutchCurium


Periodic table of the elements
AmericiumCuriumBerkelium