Y

Ytterbium

Quick Reference
Formula / NotationYb
Molecular Weight173.04
CategoryElements

What is Ytterbium?

Ytterbium is a soft, malleable silvery lanthanide and rare earth element, also named after Ytterby, Sweden. It has unusual physical properties and shows a valence change under pressure, making it useful for pressure calibration instruments.

Formula & Notation

Yb

Properties & Characteristics

Appearance: silvery-white metal. Melting point: 824 °C. Boiling point: 1196 °C. Density: 6.90 g/cm³.

Uses & Applications

Optical fibre amplifiers (Yb-doped fibre amplifiers, YDFAs) — major industrial use. Stainless steel additive (improves mechanical properties). Pressure calibration gauges. Ytterbium-169 in portable X-ray devices. Atomic clocks (optical lattice clocks).

Safety Information

Mildly toxic; irritant. Ytterbium compounds should be handled with care. Radioactive Yb-169 requires radiation safety protocols.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Ytterbium
Formula Yb
Molecular Weight 173.04
Category Elements

Frequently Asked Questions

Ytterbium is a soft, malleable silvery lanthanide and rare earth element, also named after Ytterby, Sweden. It has unusual physical properties and shows a valence change under pressure, making it useful for pressure calibration instruments.

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