70Yb

Ytterbium

Lanthanide

Ytterbium (Yb) is element 70, a lanthanide, in period 6 of the periodic table. Its standard atomic weight is 173.054, it melts at 819 °C and boils at 1196 °C. Discovered by Jean Charles Galissard de Marignac, 1878.

Atomic Number70

SymbolYb

NameYtterbium

Atomic Weight173.054 u

CategoryLanthanide

Period6

Melting Point819 °C

Boiling Point1196 °C

Density6.965 g/cm³

Electron Config[Xe] 4f14 6s2

Discovered ByJean Charles Galissard de Marignac, 1878

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