Technetium 

external image images?q=tbn:ANd9GcSrUK3Da1qlj8RUrNzG6vzvbgNCVOErko54gh-ty5pYkuiykZ8&t=1&usg=__kwuZNLOyvvoSx-yzdHHCQibQ7_Y=(Caitlin Sayer)
Symbol: Tc
Atomic Number: 43
Atomic Mass: 98# of Protons: 43# of Neutrons: 55# of Electrons: 43Melting Point: 2200 °CBoiling Point: 4877 °CNormal Phase: SolidCost: $60 per gramClassification: Transitional MetalOrigin of Name: Greek: teknetos (which means artificial)Discovered By: Carlo Perrier and Emilio Segre in 1937Technetium belongs to the Manganese family. Interesting Info 1. Technetium is the first synthetically produced element. 2. All of Technetium's isotopes are radioactive. 3. Technetium is used for radioactive tracing in medicine and preventing rust. 4. Technetium's crystal shape is a hexagon.5. Technetium is ductile, malleable, and is able to conduct electricity and heat. LINK: Facts About the Elements