40 Zr ATOMIC MASS 91.224

ELEMENT 40 · TRANSITION METAL

Zirconium (Zr)

Zirconium is a corrosion-resistant metal with low neutron absorption, making carefully purified material valuable in nuclear systems.

Atomic number
40
Category
Transition metal
Period
5
Group
4
State
Solid

Fun facts about Zirconium

  • Zircon mineral crystals can preserve records of very ancient geology.
  • Zirconium metal develops a protective oxide film.
  • Zirconium dioxide can form tough ceramic materials.

Common uses of Zirconium

  • Nuclear fuel cladding
  • Ceramic knives and dental materials
  • Chemical-process equipment

Where Zirconium sits in the periodic table

Zirconium is classified as a transition metal in period 5 and group 4 of the periodic table. Under the conditions represented in this reference, its state is solid.

Quick chemistry revision

For quick revision, pair the symbol Zr with atomic number 40 and the listed atomic mass 91.224. The summary, facts, and uses above keep those element properties together in one reference.