Dysprosium (Dy) — Element 66

66 Dy 162.5

Dysprosium

Element 66 · 162.5 u · f-block

lanthanide

Name means 'hard to get' in Greek. Critical for neodymium magnets used in wind turbines and electric vehicles.

Phase (STP)

Solid

Melting Point

1407 °C

Boiling Point

2567 °C

Density

8.55 g/cm³

Electronegativity

1.22

Atomic Radius

175 pm

Ionization Energy

573 kJ/mol

Electron Affinity

34 kJ/mol

Discovered

1886 · Paul Emile Lecoq de Boisbaudran

Electron Configuration

[Xe] 4f10 6s2