Barium Oxide


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  • Barium (Ba) Atomic Symbol - Ba Atomic number 56 Valence electrons 2
  • Barium
  • Uses - spark plug electrodes, paint, bricks, vacuum tubes, fluorescent lights
  • Physical - -Pale yellow -Somewhat shiny -Somewhat malleable -Melting point - 1,500(C) Chemical -active metal -combines easily with halogens and non metals, water and acids -it is so reactive that it needs to be kept in kerosene
  • P - 56 N - 81
  • needs to lose 2 electrons
  • Oxygen (O) Atomic Symbol - O Atomic number - 8 Valence electrons - 6
  • Oxygen
  • Physical - -gas -odourless -colorless -tasteless -poor conductor of heat and electricity -slightly soluble in water and alcohol Chemical -does not burn -strong oxidizing agent
  • Uses - making acids and used for breathing
  • P - 8 N - 8
  • needs to gain 2 electrons
  • Ionic Bond
  • The 2 extra electrons from the Barium atom are transferring to the Oxygen atom which needed 2 electrons giving us Barium Oxide (BaO)
  • [Ba2+ <> O2-] =BaO (Barium Oxide - a hygroscopic compound)
  • Ba
  • O
  • Barium Oxide (BaO) Formula - BaO Molecular mass - 153.33 g/mol Melting Point - 1,923(C) Boiling Point - 2,000(C) Density - 5.72 g/cm2
  • Barium Oxide
  • Physical -white -solid -odourless Chemical -soluble in water
  • Used as drying agent for gasoline and solvent and paints
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