Technetium

Transition metal

Symbol: Tc

Atomic Number: 43

Standard State: Solid

Atomic Mass: 96.90636

Electron Configuration: [Kr]5s2 4d5

Electronegativity: 1.9

Atomic Radius: 209

Ionization Energy: 7.28

Melting Point: 2430

Boiling Point: 4538

Density: 11

Year Discovered: 1937