Caesium Mugs
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Description: An eclipsing Cesium design. Cesium or Caesium is a chemical element with symbol Cs and atomic number 55. It is a soft, silvery-gold (or, according to some, silver/colorless) alkali metal with a melting point of 28.5 C (83.3 F), which makes it one of only five elemental metals that are liquid at or near room temperature. Caesium is an alkali metal and has physical and chemical properties similar to those of rubidium and potassium. Brought to you by Periodic-Tees.com
