Symbol, Chemistry.

  1. ytterbium.


  1. yottabyte.

  1. yearbook.

the chemical symbol for

  1. ytterbium

  1. The symbol for the elementytterbium

  1. The symbol for ytterbium.


  1. A soft, silvery-white metallic element of the lanthanide series that occurs as seven stable isotopes. It is used as a radiation source for portable x-ray machines. Atomic number 70; atomic weight 173.04; melting point 824°C; boiling point 1,196°C; specific gravity 6.972 or 6.54 (25°C) depending on allotropic form; valence 2, 3. See Periodic Table.

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