Basic Information

Name: Technetium 
Symbol: Tc 
Atomic Number: 43 
Atomic Mass: (98.0) amu 
Melting Point: 2200.0 °C (2473.15 K, 3992.0 °F) 
Boiling Point: 4877.0 °C (5150.15 K, 8810.6 °F) 
Number of Protons/Electrons: 43 
Number of Neutrons: 55 
Classification: Transition Metal 
Crystal Structure: Hexagonal 
Density @ 293 K: 11.5 g/cm3 
Color: Unknown
Date of Discovery: 1937 
Discoverer: Carlo Perrier 
Name Origin: From the Greek word technêtos (artificial) 
Uses: Tc-99m is used for radioactive tracing in medicine 
Obtained From: Man-made