The Elements Table

The Interactive Periodic Table of Elements

  • 55 Cs Cesium 132.905
  • 55 Cs Cesium 132.905
  • 55 Cs Cesium 132.905
  • Vital Element Stats

  • Name: Cesium
  • Symbol: Cs
  • Weight: 132.905
  • Family: Alkali Metals
  • Group: 55
  • Period: 944
  • Composition

  • Electrons: 55
  • Protons: 55
  • Neutrons: ~78
  • Measurements

  • Density: 1.87 g/mL
  • Miscellaneous Facts

  • Discovered: 1866
  • Melting Point: 301.54 o C , 574.772 o F , 574.69 o Kelvin
  • Boiling Point: 944 o C , 1731.2 o F , 1217.15 o Kelvin
  • Cost: N/A