66

Dy

Dysprosium

162.50

Discovery

Lecoq de Boisbaudran, Paul-Émile (1886)

Etymology

Greek

Meaning

Hard to get at

Electron configuration

Electron configuration

Crystal structure

Crystal structure

Hexagonal close-packed

Physical Properties

Phase

  (at 21 °C and 101.325 kPa)

Solid

Melting point

  (at 101.325 kPa)

1412.0 °C

1685.15 K

Boiling point

  (at 101.325 kPa)

3041.0 °C

3314.15 K

Density

  (at 21 °C and 101.325 kPa)

8.55 g/cm3

Electronegativity

1.22