Atomic Number of Zirconium

Zirconium Atomic Number

Atomic Number of Zirconium is 40.

Chemical symbol for Zirconium is Zr. Number of protons in Zirconium is 40. Atomic weight of Zirconium is 91.224 u or g/mol. Melting point of Zirconium is 1852 °C and its the boiling point is 4377 °C.

» Boiling Point » Melting Point » Abundant » State at STP » Discovery Year

About Zirconium

Zirconium is a metal of light grey or gold-like color, which is very resistive to corrosion and is non-toxic. It occurs naturally on our planet in about two dozens of mineral types like baddeleyites. This chemical element got its name from Arabic word meaning gold-like looking, and it was known and used in ancient Egypt for producing jewelry. Zirconium in its pure form is important in nuclear power production, and its high resistance to corrosion is used in various industries. Zirconium oxide has applications in ceramic and glass producing industries. Natural pure zirconium is considered to be a semi-precious stone and is used for producing decorations or jewelry.

Properties of Zirconium Element

Atomic Number (Z)40
Atomic SymbolZr
Group4
Period5
Atomic Weight91.224 u
Density6.506 g/cm3
Melting Point (K)2128 K
Melting Point (℃)1852 °C
Boiling Point (K)4682 K
Boiling Point (℃)4377 °C
Heat Capacity0.278 J/g · K
Abundance165 mg/kg
State at STPSolid
OccurrencePrimordial
DescriptionTransition metal
Electronegativity (Pauling) χ1.33
Ionization Energy (eV)6.6339
Atomic Radius155pm
Covalent Radius148pm
Valence Electrons2
Year of Discovery1789
DiscovererKlaproth

What is the Boiling Point of Zirconium?

Zirconium boiling point is 4377 °C. Boiling point of Zirconium in Kelvin is 4682 K.

What is the Melting Point of Zirconium?

Zirconium melting point is 1852 °C. Melting point of Zirconium in Kelvin is 2128 K.

How Abundant is Zirconium?

Abundant value of Zirconium is 165 mg/kg.

What is the State of Zirconium at Standard Temperature and Pressure (STP)?

State of Zirconium is Solid at standard temperature and pressure at 0℃ and one atmosphere pressure.

When was Zirconium Discovered?

Zirconium was discovered in 1789.


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