Basic Information

Name: Rhodium 
Symbol: Rh 
Atomic Number: 45 
Atomic Mass: 102.9055 amu 
Melting Point: 1966.0 °C (2239.15 K, 3570.8 °F) 
Boiling Point: 3727.0 °C (4000.15 K, 6740.6 °F) 
Number of Protons/Electrons: 45 
Number of Neutrons: 58 
Classification: Transition Metal 
Crystal Structure: Cubic 
Density @ 293 K: 12.41 g/cm3 
Color: silverish
Date of Discovery: 1803 
Discoverer: William Wollaston 
Name Origin: From the Greek word rhodon (rose) 
Uses: coatings 
Obtained From: by-product of nickel production