• Name: Germanium

  • Symbol: Ge

  • Number of Energy Levels: 4

  • Electrons on the outer energy level: 4

  • Atomic Number: 32

  • Atomic Mass: 72.61 Amu

  • Protons / Electrons: 32

  • Neutrons: 41

  • Density: 5.323 g/cm3

  • Classification: Metalloid

Top 11 interesting facts about Germanium

  • Germanium was discovered in 1886 by Clemens Winkler. Its name drives from Latin word "Germania" which means "Germany".
  • Germanium's melting point is at 937.4 C (1210.55 K, 1719.3201 F) and its boiling point is at 2830.0 C (3103.15 K, 5126.0 F).
  • Germanium is a silvery-white element.
  • Germanium was originally named Neptunium.
  • Germanium is too reactive therefore it can't be found naturally on Earth but just in compounds.
  • Germanium, like water, expands when it solidifies.
  • Germanium has five naturally occurring isotopes: 70-Ge, 72-Ge, 73-Ge, 74-Ge, and 76-Ge.
  • Germanium is extracted mainly from sphalerite which is the primary ore of zinc.
  • Germanium is used in fiber-optics, infrared optics, solar cell, nano-wires, semiconductors, transistors, and many other electronics.
  • Germanium is not an essential element for living organisms.
  • Germanium is mostly produced in China.