The Element Zirconium


Zirconium is a lustrous, grayish-white, soft, ductile, and malleable metal which is solid at room temperature, which becomes hard and brittle at lower purities. In the powder form zirconium is highly flammable although at its solid form it is not prone to ignition.

The advantage of zirconium however; is that it is highly resistant to corrosion by alkalis, acids, salt water, and other agents. Due to this reason it is often used as an alloying agent in materials that are exposed to corrosive agents, such as surgical appliances, explosive primers and filaments.

Atomic Number & Chemical Properties


Element Basics:

Chemical Symbol: Zr
Atomic Number: 40
Atomic Weight: 91.224
Element Classification: Transition Metal
Discovered By: Martin Klaproth
Date of Discovery: 1789 (Germany)
Origin of Name: The mineral, zircon.

How to Recognize it at a Party:

Gray-white, lustrous, corrosion-resistant metal

Seriously Atomic Information:

Density (g/cc): 6.506
Melting Point (°K): 2125
Boiling Point (°K): 4650
Atomic Radius (pm): 160
Atomic Volume (cc/mol): 14.1
Covalent Radius (pm): 145
Ionic Radius: 79 (+4e)
Pauling Negativity Number: 1.33
First Ionizing Energy (kJ/mol): 659.7
Oxidation States: 4
Electronic Configuration: [Kr] 4d2 5s2

Getting Intimate with Zirconium:

Lattice Structure: Hexagonal (HEX)
Lattice Constant (Å): 3.230
Lattice C/A Ratio: 1.593
Specific Heat (@20°C J/g mol): 0.281
Fusion Heat (kJ/mol): 19.2
Evaporation Heat (kJ/mol): 567
Thermal Conductivity (@25°C W/m K):
Debye Temperature (°K): 250.00


Society's Questions About Zirconium:

Have you ever wondered what everyone else in the world thinks about Zirconium? Is anyone else looking for it too? If so, why? What do they want?

The following list shows the most common online questions about the element Zirconium. Are your questions the same or different from everyone else's?

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