1860,1882 Caesium

The book of science

Tom Sharp

HeidelbergRobert Bunsen, Gustav Kirchhoff, Carl Setterberg elements Caesium


Atomic number 55


Common isotopes of caesium are neither radioactive nor particularly toxic; however, the metal explodes violently on contact with water, even exposed to air with the slightest humidity.

See also in The book of science:

Readings on wikipedia:

Other readings:

  • Caesium,” Elementymology & Elements Multidict, by Peter van der Krogt