Dy

Dysprosium

Atomic Number 66 · Metal piece

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

Atomic Mass

162.5 u

Category

Lanthanide

Phase (STP)

Solid

Density

8.55 g/cm³

Melting Point

1407 °C

Boiling Point

2567 °C

Electronegativity

1.22 (Pauling)

Atomic Radius

175 pm

Electron Configuration

[Xe] 4f10 6s2

Discovered

1886 — Paul Emile Lecoq de Boisbaudran

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Sample form: Metal piece

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