Zirkonio (Zr) is a chemical element belonging to the category Transition metal, with atomic number 40 and atomic mass 91.2240 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
Stays within its layerAstronomy
Neighbourhood in the graph
Above, what contains it; below, what it contains; on the right, what links it to another layer.
Astronomy · Chemical element
Zirconium
EL14
Identity
Name: Zirconium
Symbol: Zr
Atomic number: 40
Atomic mass: 91.224 u
Position in the periodic table
Group: 4
Period: 5
Category: Transition metal
Physico-chemical properties
Standard state: Solid
Melting point: 1855°C
Boiling point: 4409°C
Density: 6.52 g/cm³
Electron configuration: [Kr] 4d² 5s²
Scientific description
Zirconium is a chemical element with symbol Zr and atomic number 40.
It is a transition metal located in group 4, period 5.