Ytterbium (Yb) — Element 70

70 Yb 173.05

Ytterbium

Element 70 · 173.05 u · f-block

lanthanide

Another element named after Ytterby. Used in stress gauges, atomic clocks, and stainless steel improvement.

Phase (STP)

Solid

Melting Point

824 °C

Boiling Point

1196 °C

Density

6.965 g/cm³

Electronegativity

1.1

Atomic Radius

175 pm

Ionization Energy

603 kJ/mol

Electron Affinity

-2 kJ/mol

Discovered

1878 · Jean Charles Galissard de Marignac

Electron Configuration

[Xe] 4f14 6s2