96

Radioactive

Cm

Curium

(247)

Actinide
Solid

Discovery

Seaborg, Glenn T. (1944)

Etymology

Meaning

In honour of Marie Curie

Electron configuration

Electron configuration

Crystal structure

Crystal structure

Double hexagonal close-packed

Physical Properties

Phase

  (at 21 °C and 101.325 kPa)

Solid

Melting point

  (at 101.325 kPa)

1340.0 °C

1613.15 K

Boiling point

  (at 101.325 kPa)

2607.0 °C

2880.15 K

Density

  (at 21 °C and 101.325 kPa)

13.50 g/cm3

Electronegativity

1.30