Zinc

Atomic number: 30

Symbol: Zn

Category: transition metal

Density at 25°C: solid:  7.14 g·cm−3

Zinc is perhaps best known for it's alloy with copper to create brass. It is also known for it's anti corrosion properties.  It was also important in the discovery of electrochemistry that led to batteries. Zinc is also another essential element at the centre of many enzymes.

99.995 %,  a crystaline fragment of an ingot. image: adapted from wikipedia


Use, natural applications or common combinations: 

  • Brass, zinc plating of iron
  • Batteries - zinc is used as an anode material for batteries
  •  Ancient alchemists burned zinc in air to form what they called "philosopher's wool" or "white snow."


Basic characteristics:

  • Standard atomic weight: 65.38(2)
  • Melting point: 419.53 °C
  • Boiling point: 907 °C
  • Radioactivity:  almost all stable naturally