Germanium

germanium
Basic Information
Name: Germanium 
Symbol: Ge 
Atomic Number: 32 
Atomic Mass: 72.61 amu 
Melting Point: 937.4 °C (1210.55 K, 1719.3201 °F) 
Boiling Point: 2830.0 °C (3103.15 K, 5126.0 °F) 
Number of Protons/Electrons: 32 
Number of Neutrons: 41 
Classification: Metalloid 
Crystal Structure: Cubic 
Density @ 293 K: 5.323 g/cm3 
Color: grayish
Date of Discovery: 1886 
Discoverer: Clemens Winkler 
Name Origin: From the Latin word Germania, meaning Germany 
Uses: semiconductors 
Obtained From: refining of copper, zinc, lead