66Dy

Dysprosium

Lanthanide

Dysprosium (Dy) is element 66, a lanthanide, in period 6 of the periodic table. Its standard atomic weight is 162.5, it melts at 1412 °C and boils at 2567 °C. Discovered by Lecoq de Boisbaudran, 1886.

Atomic Number66

SymbolDy

NameDysprosium

Atomic Weight162.5 u

CategoryLanthanide

Period6

Melting Point1412 °C

Boiling Point2567 °C

Density8.55 g/cm³

Electron Config[Xe] 4f10 6s2

Discovered ByLecoq de Boisbaudran, 1886

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