Radium

Information

Basic information

  • Ra(Radium) is a white metallic color
  • Ra has a atomic # of 88 and a atomic weight 226
  • Ra is in the second group alkaline earth metals and in period 7
  • Ra classification is metallic
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Additional information

History

  • Ra was discovered in France in 1898 by Pierre and Marie Curie
  • came from Latina word “radius” meaning ray
uses
  • was used in watches with phosphor to make them glow in the dark
description
  • white fresh/blackens when exposed to air
  • burns in water with a red flame
  • emits a radioactive gas until next to lead
biology
  • any exposes can cause cancer and body disorders
geology
  • found in uranium ores
propitiates
  • Density 5000 kg m -3
  • melting point 700 C
  • boiling point 1737 C
fun fact
  • 1 million times more radioactive than the same mass of uranium