The Elements Table

The Interactive Periodic Table of Elements

  • 88 Ra Radium 226.025
  • 88 Ra Radium 226.025
  • 88 Ra Radium 226.025
  • Vital Element Stats

  • Name: Radium
  • Symbol: Ra
  • Weight: 226.025
  • Family: Alkaline Earth Metals
  • Group: 88
  • Period: 1413
  • Composition

  • Electrons: 88
  • Protons: 88
  • Neutrons: ~138
  • Measurements

  • Density: 5.00 g/mL
  • Miscellaneous Facts

  • Discovered: 1904
  • Melting Point: 973 o C , 1783.4 o F , 1246.15 o Kelvin
  • Boiling Point: 1413 o C , 2575.4 o F , 1686.15 o Kelvin
  • Cost: N/A