The Elements Table

The Interactive Periodic Table of Elements

  • 87 Fr Francium 223
  • 87 Fr Francium 223
  • 87 Fr Francium 223
  • Vital Element Stats

  • Name: Francium
  • Symbol: Fr
  • Weight: 223
  • Family: Alkali Metals
  • Group: 87
  • Period: 950
  • Composition

  • Electrons: 87
  • Protons: 87
  • Neutrons: ~136
  • Measurements

  • Density: N/A
  • Miscellaneous Facts

  • Discovered: 1945
  • Melting Point: 300 o C , 572 o F , 573.15 o Kelvin
  • Boiling Point: 950 o C , 1742 o F , 1223.15 o Kelvin
  • Cost: N/A