Basic Information

Name: Cadmium 
Symbol: Cd 
Atomic Number: 48 
Atomic Mass: 112.411 amu 
Melting Point: 320.9 °C (594.05 K, 609.62 °F) 
Boiling Point: 765.0 °C (1038.15 K, 1409.0 °F) 
Number of Protons/Electrons: 48 
Number of Neutrons: 64 
Classification: Transition Metal 
Crystal Structure: Hexagonal 
Density @ 293 K: 8.65 g/cm3 
Color: Silvery
Date of Discovery: 1817 
Discoverer: Fredrich Stromeyer 
Name Origin: From the Greek word kadmeia (ancient name for calamine) and from the Latin word cadmia 
Uses: poisonous, nickel-cadmium batteries 
Obtained From: by-product of zinc refining