Atomic Number 70     Atomic Mass 173.04      State solid

Color silvery white     Electronegativity 1.27

Melting Point 819°C     Boiling Point 1194°C

Natural Isotopes Yb-168 0.13%   Yb-170 3.05%   Yb-171 14.3%
  Yb-172 21.9%   Yb-173 16.12%   Yb-174 31.8%   Yb-176 12.7%

Abbreviated Electron Configuration [Xe] 4f¹⁴ 6s²

Discovered by Jean de Marignac in 1878.