SymbolCm
Latin nameCurium
Atomic number96
Period7
Element categoryInner transition elements
Relative atomic mass247.0704
GroupIII.B
Oxidation numbers
3, 4
Electron configuration
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 5f7 6d1 7s2
Density [g/cm3]
13.55
State
Solid
Melting point [°C]
1340
Thermal conductivity [W m-1K-1]
10
Discovery
1944
1.st ionization energy [eV]
6.02
Stable isotopes
0
Unstable isotopes
13