40 Zr 91.224

Zirconium

Category: Transition metal | State: Solid

Atomic Properties

Atomic Number 40
Atomic Mass 91.224
Electronic Configuration [Kr] 4d² 5s²

Periodic Table Placement

Group 4
Period 5
Block d-block

Physical Properties & Discovery

Melting Point 1855°C
Boiling Point 4409°C
Density 6.506 g/cm³
Discovered By Martin Heinrich Klaproth (1789)

Frequently Asked Questions about Zirconium