Ytterbium 5. October 2015elementadmin ←Tm La↑ ↓Lu Lu→ 70 Yb ytterbium 173.04 70 Yb 3 Yb litho Ytterbium ∙ ytterbium ∙ itterbio ∙ iterbiogroup III: R2O3 melting point: 819°C boiling point: 1196°C density: 6.98 g/cm³
