Chemical Elements.com - Zirconium (Zr)

Show Table With:
   Name
   Atomic Number
   Atomic Mass
   Electron Configuration
   Number of Neutrons
   Melting Point
   Boiling Point
   Date of Discovery
   Crystal Structure

Element Groups:
   Alkali Metals
   Alkaline Earth Metals
   Transition Metals
   Other Metals
   Metalloids
   Non-Metals
   Halogens
   Noble Gases
   Rare Earth Elements

Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page

Basic Information

Name: Zirconium
Symbol: Zr
Atomic Number: 40
Atomic Mass: 91.224 amu
Melting Point: 1852.0 °C (2125.15 K, 3365.6 °F)
Boiling Point: 4377.0 °C (4650.15 K, 7910.6 °F)
Number of Protons/Electrons: 40
Number of Neutrons: 51
Classification: Transition Metal
Crystal Structure: Hexagonal
Density @ 293 K: 6.49 g/cm³
Color: Grayish

Atomic Structure

Number of Energy Levels: 5

First Energy Level:

Second Energy Level:

Third Energy Level:

Fourth Energy Level:

Fifth Energy Level:

Isotopes

Isotope	Half Life
Zr-86	16.5 hours
Zr-88	83.4 days
Zr-89	3.27 days
Zr-90	Stable
Zr-91	Stable
Zr-92	Stable
Zr-93	1530000.0 years
Zr-94	Stable
Zr-95	64.02 days
Zr-96	Stable
Zr-97	16.9 hours

Facts

Date of Discovery: 1789
Discoverer: Martin Klaproth
Name Origin: zircon (mineral)
Uses: nuclear applications
Obtained From: zircon, baddeleyite

MLA Format for Citing This Page

Bentor, Yinon. Chemical Element.com - Zirconium. <http://www.chemicalelements.com/elements/zr.html>.

For more information about citing online sources, please visit the MLA's Website.