NO. 030Transition

Zn

Zinc

Zinc is a bluish-white metal used for galvanization, alloys, and is essential for human immune function.

Crystal Structure

Hexagonal close-packed (hcp)

Atomic Mass65.38 u

Density7.14 g/cm³

Melting Point693 K

Boiling Point1180 K

Atomic Radius134 pm

Electronegativity1.65

Ionization Energy906 kJ/mol

Electron Affinity0 kJ/mol

Bonding TypeMetallic

Oxidation States2

Acid/BaseBasic

ReactivityMedium

Electron Configuration

[Ar] 3d10 4s2

Discovered ByAndreas Sigismund Marggraf

Year1746

Known Isotopes

Zn-64Zn-66Zn-67Zn-68Zn-70