• Name: Gallium

  • Symbol: Ga

  • Number of Energy Levels: 4

  • Electrons on the outer energy level: 3

  • Atomic Number: 31

  • Atomic Mass: 69.723 Amu

  • Protons / Electrons: 31

  • Neutrons: 39

  • Density: 5.907 g/cm3

  • Classification: Other Metals

Top 12 interesting facts about Gallium

  • Gallium was discovered in 1875 by Paul Emile Lecoq de Boisbaudran. Its name drives from Latin word "Gallia" which was the old name of France.
  • Gallium melting point is at 29.78 C (302.93 K, 85.604004 F) and its boiling point is at 2403.0 C (2676.15 K, 4357.4 F).
  • Gallium can not be found freely in nature but in zinc ores and in bauxite.
  • Gallium melts at room temperature (below 30 centigrade).
  • Mercury, cesium, rubidium, and francium also have a melting point similar to the gallium's melting point.
  • Almost all gallium is used in electronics industry as microwave and infrared circuits, and also in production of high-temperature thermometers.
  • Gallium is also used in nuclear bombs.
  • At room temperature gallium doesn't react with water or air due to the formation of an oxide layer.
  • Gallium is a byproduct of aluminum and zinc production.
  • Gallium has two stable isotopes: 69-Ga and 71-Ga.
  • The difference between the melting point and boiling point of gallium is 2373 centigrade.
  • Gallium, like water, expands at its freezes.