Zinc

Basic Information Crystal Structure Isotope Facts Related Links


Basic Data

Symbol: Zn
Atomic Number: 30
Atomic weight: 65.38u
Melting Point: 692.73K
Boiling Point: 1180K
Number of Protons/Electrons: 30
Number of Neutrons: 35
Classification: Transition Metal
Crystal Structure: Hexagonal
Density at 293 K: 7.14g/mL
Color: Bluish
Bonding radius: 1.25A
Atomic radius: 1.53A
Ionization Potential: 9.394V
Electronegativity: 1.65
Heat of vaporization: 115.3kJ/mol
Heat of fusion: 7.322kJ/mol
Specific heat: 0.39J/gK
Electron configuration: [Ag]3d104s2



Crystal Structure


Isotopes

Isotope Half Life
Zn62 9.26 hours
Zn63 38.5 minutes
Zn64 Stable
Zn65 243.8 days
Zn66 Stable
Zn67 Stable
Zn68 Stable
Zn69m 13.76 hours
Zn70 Stable
Zn72 46.5 hours


Facts

Date of Discovery: 1746
Discoverer: Andreas Marggraf
Uses: metal coating, rust protection, brass, bronze, nickel
Obtained From: zinc blende, calamine


Related Links