Atomic number 96
Name Curium
Atomic mass 247
Electronic configuration [Rn] 5f7 6d1 7s2
Electronegativity 1.3
Atomic radius pm
Ion radius 97 (+3) pm
Van der Waals radius pm
Ionization energy 581 kJ/mol
Electron affinity kJ/mol
Oxidation states 3, 4
Standard physical state solid
Bonding type metallic
Melting point 1618 °C
Boiling point 3383 °C
Density 13.51 g/cm³
Type actinoid
Year discovered 1944