  |
WebElements: Ytterbium - http://www.webelements.com/webelements/elements/text/Yb/key.html
Extensive information on history, uses, occurrence, compounds, and properties. |
  |
Wikipedia: Ytterbium - http://en.wikipedia.org/wiki/Ytterbium
Properties of the element, including its history, applications, and characteristics. |
  |
LANL: Ytterbium - http://periodic.lanl.gov/elements/70.html
History, sources, properties, and uses. |
  |
It's Elemental: Ytterbium - http://education.jlab.org/itselemental/ele070.html
Basic physical and historical information. |
  |
ChemicalElements.com: Ytterbium - http://www.chemicalelements.com/elements/yb.html
Basic information, atomic structure, and isotopes. |