43 Tc [98]

Technetium

Category: Transition metal | State: Solid

Atomic Properties

Atomic Number 43
Atomic Mass [98]
Electronic Configuration [Kr] 4d⁵ 5s²

Periodic Table Placement

Group 7
Period 5
Block d-block

Physical Properties & Discovery

Melting Point 2157°C
Boiling Point 4265°C
Density 11.5 g/cm³
Discovered By Carlo Perrier & Emilio Segrè (1937)

Frequently Asked Questions about Technetium