96 Cm 247

Curium

ACTINIDE

Phase: Solid
Discovered: Glenn T. Seaborg
Block: F

Summary

Curium is a transuranic radioactive chemical element with symbol Cm and atomic number 96. This element of the actinide series was named after Marie and Pierre Curie – both were known for their research on radioactivity. Curium was first intentionally produced and identified in July 1944 by the group of Glenn T. Seaborg at the University of California, Berkeley.

Appearance: silvery metallic, glows purple in the dark

Source: Wikipedia

Physical Properties

Atomic Mass 247 u
Density 13.51 g/cm³
Melting Point 1613 K
Boiling Point 3383 K
Molar Heat N/A
Electron Affinity 27.17 kJ/mol

Ionization Energies

1st: 581 kJ/mol