95

Radioactive

Am

Americium

(243)

Actinide
Solid

Discovery

Seaborg, Glenn T. (1944)

Etymology

Unknown

Meaning

America

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)

994.0 °C

1267.15 K

Boiling point

  (at 101.325 kPa)

3235.0 °C

3508.15 K

Density

  (at 21 °C and 101.325 kPa)

19.84 g/cm3

Electronegativity

1.30