30

Zn

Zinc
65.38 (2)
 Historical Information

enturies before zinc was recognized as a distinct element, zinc ores were used for making brass (a mixture of copper and zinc). A brass dating from between 1400-1000 BC has been found in Palestine.
Basic Information Shells
  • Name: Zinc
  • Symbol: Zn
  • Atomic number: 30
  • Atomic weight:65.38 (2)
  • Standard state: solid at 298 K
  • Group in periodic table: 12
  • Group name:none
  • Period in periodic table: 4
  • Block in periodic table: d-block
  • Classification: Metallic
 zinc
Uses Trivia
  • used to galvanize metals such as iron so as to prevent corrosion
  • dry batteries
  • roof cladding
  • used in lightweight coins

Zinc-deficient animals require 50% more food to gain the same weight of an animal supplied with adequate amounts of zinc. Zinc is not particularly toxic and is an essential element in the growth of all animals and plants.